H2H data updated: 2026-09-13 00:00 UTC
Alison Riske-Amritraj holds a 1–0 lead over Kayla Day in their WTA head-to-head. Across 1 main-draw meeting, Alison Riske-Amritraj leads 1–0 on clay. Most recently, Alison Riske-Amritraj won the 2017 Charleston Open first round 7-5 4-6 6-0.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Alison Riske-Amritraj | 7-5 4-6 6-0 | Kayla Day | Match data | Apr 5, 2017* | R64 | Charleston Open | Premier → modern equivalent WTA 500 | Clay |
Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alison Riske-Amritraj | #1,157 | #18 | 2,360 | 1,860 | 189 | 202 | 48.3% | 0 | 0 | 0 | 0 | 3 | 3 |
| Kayla Day | #117 | #84 | 847 | 1,637 | 9 | 29 | 23.7% | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Alison Riske-Amritraj | Kayla Day | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | — | — | — | — | — | — | — | 2016 | 1–2 | 33.3% | #198 | 1,540 | 0 | 0 |
| 17 | — | — | — | — | — | — | — | 2017 | 3–5 | 37.5% | #150 | 1,524 | 0 | 0 |
| 18 | — | — | — | — | — | — | — | 2018 | 0–2 | 0.0% | #313 | 1,487 | 0 | 0 |
| 19 | 2010 | 4–4 | 50.0% | #115 | 1,554 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2011 | 3–8 | 27.3% | #136 | 1,528 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2012 | 0–4 | 0.0% | #180 | 1,487 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2013 | 11–6 | 64.7% | #57 | 1,641 | 0 | 0 | 2022 | 0–2 | 0.0% | #197 | 1,534 | 0 | 0 |
| 23 | 2014 | 24–22 | 52.2% | #43 | 1,712 | 0 | 1 | 2023 | 3–6 | 33.3% | #87 | 1,564 | 0 | 0 |
| 24 | 2015 | 15–24 | 38.5% | #97 | 1,602 | 0 | 1 | 2024 | 0–7 | 0.0% | #241 | 1,435 | 0 | 0 |
| 25 | 2016 | 23–19 | 54.8% | #39 | 1,740 | 0 | 1 | — | — | — | — | — | — | — |
| 26 | 2017 | 19–24 | 44.2% | #70 | 1,641 | 0 | 1 | 2026 | 2–5 | 28.6% | #117 | 1,604 | 0 | 0 |
| 27 | 2018 | 17–16 | 51.5% | #62 | 1,626 | 0 | 1 | — | — | — | — | — | — | — |
| 28 | 2019 | 26–22 | 54.2% | #18 | 1,805 | 0 | 2 | — | — | — | — | — | — | — |
| 29 | 2020 | 6–8 | 42.9% | #26 | 1,745 | 0 | 2 | — | — | — | — | — | — | — |
| 30 | 2021 | 16–16 | 50.0% | #51 | 1,766 | 0 | 3 | — | — | — | — | — | — | — |
| 31 | 2022 | 25–21 | 54.3% | #41 | 1,732 | 0 | 3 | — | — | — | — | — | — | — |
| 32 | 2023 | 0–8 | 0.0% | #659 | 1,602 | 0 | 3 | — | — | — | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Age | Alison Riske-Amritraj | Kayla Day | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2017 | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2018 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 19 | 2010 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | 4 | 2 | 6 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2011 | 0 | 5 | 5 | 0.0% | 0 | 1 | 1 | 0.0% | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2012 | 0 | 3 | 3 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2013 | 5 | 4 | 9 | 55.6% | — | — | — | — | 6 | 2 | 8 | 75.0% | 2022 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 23 | 2014 | 17 | 14 | 31 | 54.8% | 3 | 5 | 8 | 37.5% | 4 | 3 | 7 | 57.1% | 2023 | 1 | 4 | 5 | 20.0% | 2 | 2 | 4 | 50.0% | — | — | — | — |
| 24 | 2015 | 9 | 15 | 24 | 37.5% | 2 | 5 | 7 | 28.6% | 4 | 4 | 8 | 50.0% | 2024 | 0 | 3 | 3 | 0.0% | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% |
| 25 | 2016 | 17 | 11 | 28 | 60.7% | 2 | 6 | 8 | 25.0% | 4 | 2 | 6 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2017 | 9 | 14 | 23 | 39.1% | 5 | 6 | 11 | 45.5% | 5 | 4 | 9 | 55.6% | 2026 | 2 | 3 | 5 | 40.0% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% |
| 27 | 2018 | 8 | 10 | 18 | 44.4% | 4 | 3 | 7 | 57.1% | 5 | 3 | 8 | 62.5% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2019 | 17 | 16 | 33 | 51.5% | 0 | 4 | 4 | 0.0% | 9 | 2 | 11 | 81.8% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2020 | 6 | 6 | 12 | 50.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2021 | 14 | 11 | 25 | 56.0% | 0 | 2 | 2 | 0.0% | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2022 | 17 | 14 | 31 | 54.8% | 2 | 3 | 5 | 40.0% | 6 | 4 | 10 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 32 | 2023 | 0 | 5 | 5 | 0.0% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 119 | 129 | 248 | 48.0% | 18 | 39 | 57 | 31.6% | 52 | 34 | 86 | 60.5% | — | 7 | 20 | 27 | 25.9% | 2 | 7 | 9 | 22.2% | 0 | 2 | 2 | 0.0% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 369/392 of Alison Riske-Amritraj's and 38/38 of Kayla Day's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.
| Age | Alison Riske-Amritraj | Kayla Day | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | |
| 16 | — | —/— | — | — | — | — | — | — | — | — | — | 2016 | 3/3 | 1.0 | 3.7 | 59.0% | 55.2% | 30.3% | 50.6% | 66.7% | 44.4% | 38.1% |
| 17 | — | —/— | — | — | — | — | — | — | — | — | — | 2017 | 8/8 | 3.4 | 5.5 | 48.8% | 66.2% | 45.1% | 51.9% | 31.0% | 55.7% | 38.9% |
| 18 | — | —/— | — | — | — | — | — | — | — | — | — | 2018 | 2/2 | 5.0 | 6.0 | 48.1% | 68.0% | 33.7% | 50.0% | 35.0% | 49.8% | 33.8% |
| 19 | 2010 | 8/8 | 2.6 | 3.9 | 71.0% | 64.5% | 45.1% | 56.1% | 47.4% | 58.8% | 36.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 2011 | 11/11 | 2.9 | 4.1 | 66.3% | 58.6% | 44.6% | 49.0% | 39.3% | 53.7% | 36.5% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2012 | 4/4 | 1.0 | 3.5 | 67.5% | 55.7% | 43.0% | 48.0% | 49.7% | 51.5% | 39.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2013 | 17/17 | 1.8 | 3.5 | 67.6% | 66.5% | 51.0% | 58.2% | 53.9% | 61.5% | 43.2% | 2022 | 2/2 | 4.0 | 2.5 | 66.5% | 68.4% | 39.1% | 56.4% | 50.0% | 58.6% | 36.6% |
| 23 | 2014 | 38/46 | 2.6 | 4.8 | 64.2% | 64.1% | 42.9% | 56.1% | 48.7% | 56.5% | 43.5% | 2023 | 9/9 | 2.2 | 3.0 | 58.1% | 62.9% | 43.8% | 57.4% | 39.7% | 55.0% | 39.3% |
| 24 | 2015 | 34/39 | 1.5 | 3.6 | 70.0% | 59.7% | 52.0% | 48.2% | 37.9% | 57.4% | 40.3% | 2024 | 7/7 | 3.7 | 3.3 | 66.8% | 58.5% | 42.2% | 52.8% | 37.1% | 55.1% | 36.5% |
| 25 | 2016 | 40/43 | 1.5 | 4.0 | 66.6% | 63.8% | 46.0% | 52.4% | 43.0% | 58.2% | 45.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 26 | 2017 | 42/43 | 1.2 | 3.3 | 68.0% | 62.0% | 43.7% | 51.2% | 44.2% | 56.0% | 42.4% | 2026 | 7/7 | 4.0 | 3.4 | 65.3% | 59.9% | 47.4% | 52.6% | 46.8% | 55.8% | 40.7% |
| 27 | 2018 | 32/33 | 2.0 | 4.2 | 66.1% | 63.1% | 48.5% | 52.7% | 45.7% | 58.2% | 45.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 28 | 2019 | 48/48 | 2.3 | 4.1 | 66.3% | 62.9% | 47.4% | 52.0% | 45.7% | 57.7% | 43.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 29 | 2020 | 14/14 | 2.6 | 6.2 | 64.4% | 64.6% | 45.0% | 55.3% | 55.6% | 57.6% | 44.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 30 | 2021 | 29/32 | 2.3 | 4.1 | 66.0% | 62.3% | 46.1% | 52.8% | 50.3% | 56.8% | 44.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 31 | 2022 | 44/46 | 2.1 | 2.7 | 66.8% | 63.2% | 49.8% | 50.8% | 44.1% | 58.6% | 42.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 32 | 2023 | 8/8 | 1.1 | 3.8 | 65.6% | 57.1% | 39.0% | 41.9% | 52.2% | 50.8% | 34.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 369/392 | 2.0 | 3.9 | 66.8% | 62.7% | 46.8% | 52.2% | 45.8% | 57.4% | 42.7% | — | 38/38 | 3.2 | 3.8 | 59.1% | 62.2% | 42.6% | 53.5% | 41.1% | 54.4% | 38.4% |
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Alison Riske-Amritraj | Kayla Day | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 1540 | 107.8 | -2.89 | +0.53 | 0.685 | 42.0% | +14 | — | — | 0.0% | -4.75 | — | — | — | -0.17 |
| 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2017 | 1524 | 111.0 | 0.00 | -2.37 | 0.877 | 47.2% | +13 | — | — | 45.0% | -0.85 | 1–3 (25%) | — | — | -0.14 |
| 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2018 | 1487 | 91.2 | -2.87 | -2.16 | 0.673 | 41.8% | — | — | — | 20.0% | -3.20 | 0–1 | — | — | +0.16 |
| 19 | 2010 | 1555 | 111.2 | +1.84 | -2.58 | 0.891 | 48.4% | — | — | +148 | 47.6% | -0.05 | 3–2 (60%) | 1–2 (33%) | 101.6 | -0.48 | 2019 | 1463 | 99.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2011 | 1529 | 104.5 | -0.76 | -3.92 | 0.787 | 45.3% | -61 | — | +195 | 30.8% | -1.46 | 2–2 (50%) | 0–1 | — | -0.54 | 2020 | 1450 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2012 | 1488 | 105.5 | -0.75 | -1.19 | 0.819 | 45.5% | -48 | — | — | 20.0% | -1.50 | 0–2 | 0–1 | — | -0.29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2013 | 1641 | 130.7 | +2.70 | -0.60 | 1.122 | 52.3% | -106 | — | +142 | 62.5% | +0.75 | 3–5 (38%) | 1–1 | — | +0.38 | 2022 | 1535 | 99.5 | -0.90 | -1.76 | 0.884 | 47.0% | — | — | — | 0.0% | -2.00 | — | 0–1 | — | +0.44 |
| 23 | 2014 | 1712 | 132.8 | +0.21 | -0.06 | 1.000 | 49.9% | -36 | -193 | +87 | 52.0% | +0.24 | 4–6 (40%) | 8–5 (62%) | 101.2 | +0.46 | 2023 | 1565 | 118.9 | -0.78 | -1.35 | 0.874 | 47.7% | -48 | +5 | — | 31.6% | -0.84 | 1–0 | 0–1 | — | +0.61 |
| 24 | 2015 | 1603 | 124.5 | -0.32 | -1.07 | 0.947 | 48.9% | -8 | -94 | +139 | 40.2% | -0.55 | 4–9 (31%) | 2–6 (25%) | 90.8 | -1.44 | 2024 | 1436 | 102.7 | -2.31 | -3.54 | 0.812 | 46.2% | -2 | +63 | — | 22.2% | -1.61 | 0–4 (0%) | 1–3 (25%) | 92.8 | +0.78 |
| 25 | 2016 | 1741 | 129.3 | +1.19 | +1.21 | 1.075 | 51.5% | +6 | -229 | +1 | 54.0% | +0.29 | 8–10 (44%) | 5–11 (31%) | 94.1 | -0.28 | 2025 | 1474 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2017 | 1642 | 129.3 | +0.27 | -0.29 | 0.966 | 49.2% | -18 | -76 | +133 | 45.5% | -0.33 | 6–7 (46%) | 7–4 (64%) | 102.8 | -2.21 | 2026 | 1604 | 129.8 | -0.05 | +0.23 | 0.921 | 48.5% | -18 | — | — | 35.3% | -0.94 | 1–2 (33%) | 1–1 | — | -0.59 |
| 27 | 2018 | 1626 | 131.0 | +1.17 | +1.53 | 1.083 | 51.5% | -55 | -21 | +173 | 51.9% | +0.31 | 5–10 (33%) | 5–8 (38%) | 96.8 | -0.45 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2019 | 1806 | 145.4 | +1.26 | +1.59 | 1.017 | 50.2% | -57 | -289 | +135 | 50.4% | +0.04 | 14–9 (61%) | 9–9 (50%) | 104.5 | -1.98 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2020 | 1745 | 135.6 | -0.19 | +1.24 | 1.039 | 50.8% | +5 | — | — | 48.6% | +0.06 | 2–5 (29%) | 3–5 (38%) | 96.3 | 0.00 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2021 | 1767 | 130.1 | +0.04 | +0.89 | 1.022 | 50.4% | +21 | — | +165 | 51.4% | -0.01 | 4–6 (40%) | 3–2 (60%) | 96.5 | +0.58 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2022 | 1732 | 137.6 | +1.42 | +0.41 | 1.033 | 50.6% | +25 | -253 | +159 | 49.5% | +0.03 | 9–6 (60%) | 5–6 (45%) | 101.9 | +0.60 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 32 | 2023 | 1603 | 111.8 | -2.22 | -2.80 | 0.696 | 42.6% | +41 | — | — | 22.2% | -1.89 | 0–4 (0%) | 0–3 (0%) | — | -0.21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1860 | 137.7 | +0.67 | +0.22 | 1.002 | 50.0% | -17 | -149 | +135 | 48.5% | -0.06 | 64–83 (44%) | 49–64 (43%) | 93.8 | -1.51 | — | 1637 | 116.0 | -1.05 | -1.59 | 0.842 | 46.7% | -9 | +30 | — | 29.9% | -1.39 | 3–10 (23%) | 2–6 (25%) | 91.1 | +2.87 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Madison Keys | 0 | 7 | 7 | Mar 14, 2022 | H2H |
| Sorana Cirstea | 2 | 5 | 7 | Aug 11, 2021 | H2H |
| Magda Linette | 4 | 2 | 6 | Jun 23, 2022 | H2H |
| Alizé Cornet | 6 | 0 | 6 | Mar 25, 2022 | H2H |
| Donna Vekic | 3 | 3 | 6 | Jan 19, 2022 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Madison Keys | 1 | 2 | 3 | Jun 30, 2026 | H2H |
| Caroline Dolehide | 0 | 2 | 2 | Apr 3, 2024 | H2H |
| Marie Bouzkova | 0 | 2 | 2 | Oct 12, 2023 | H2H |
| Garbiñe Muguruza | 0 | 2 | 2 | Aug 4, 2017 | H2H |
| Shuai Zhang | 0 | 1 | 1 | Aug 15, 2026 | H2H |