Coco Gauff
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Iga Swiatek | 3 | 11 | 14 | May 1, 2025 | H2H |
| Aryna Sabalenka | 6 | 7 | 13 | Mar 28, 2026 | H2H |
| Maria Sakkari | 6 | 5 | 11 | Aug 7, 2026 | H2H |
| Belinda Bencic | 7 | 2 | 9 | Aug 11, 2026 | H2H |
| Jessica Pegula | 4 | 5 | 9 | Jul 7, 2026 | H2H |
H2H data updated: 2026-08-15 04:37 UTC
Coco Gauff vs Kayla Day H2H: 1-0
Coco Gauff holds a 1–0 lead over Kayla Day in their WTA head-to-head. Across 1 main-draw meeting, Coco Gauff leads 1–0 on hard courts. Most recently, Coco Gauff won the 2026 Canadian Open second round 6-2 7-5.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
1
–
0
1 main draw meetings
H2H Match Log
| Winner | Score | Loser | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Coco Gauff | 6-2 7-5 | Kayla Day | Match data | Aug 5, 2026 | R64 | Canadian Open | WTA 1000 | Hard |
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Coco Gauff | #4 | #2 | 8,173 | 2,157 | 274 | 112 | 71.0% | 2 | 3 | 1 | 2 | 3 | 11 |
| Kayla Day | #131 | #84 | 847 | 1,638 | 9 | 28 | 24.3% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
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 | Coco Gauff | Kayla Day | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 15 | 2019 | 11–5 | 68.8% | #68 | 1,693 | 0 | 1 | — | — | — | — | — | — | — |
| 16 | 2020 | 10–8 | 55.6% | #48 | 1,782 | 0 | 1 | 2016 | 1–2 | 33.3% | #198 | 1,541 | 0 | 0 |
| 17 | 2021 | 35–16 | 68.6% | #22 | 1,897 | 0 | 2 | 2017 | 3–5 | 37.5% | #150 | 1,525 | 0 | 0 |
| 18 | 2022 | 38–22 | 63.3% | #7 | 1,926 | 0 | 2 | 2018 | 0–2 | 0.0% | #313 | 1,487 | 0 | 0 |
| 19 | 2023 | 51–16 | 76.1% | #3 | 2,107 | 1 | 6 | — | — | — | — | — | — | — |
| 20 | 2024 | 54–17 | 76.1% | #3 | 2,120 | 1 | 9 | — | — | — | — | — | — | — |
| 21 | 2025 | 43–16 | 72.9% | #3 | 2,101 | 2 | 11 | — | — | — | — | — | — | — |
| 22 | 2026 | 32–12 | 72.7% | #4 | 2,088 | 2 | 11 | 2022 | 0–2 | 0.0% | #197 | 1,535 | 0 | 0 |
| 23 | — | — | — | — | — | — | — | 2023 | 3–6 | 33.3% | #87 | 1,564 | 0 | 0 |
| 24 | — | — | — | — | — | — | — | 2024 | 0–7 | 0.0% | #241 | 1,436 | 0 | 0 |
| 26 | — | — | — | — | — | — | — | 2026 | 2–4 | 33.3% | #131 | 1,638 | 0 | 0 |
Surface Results by Age
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 | Coco Gauff | 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 % | |||
| 15 | 2019 | 8 | 4 | 12 | 66.7% | — | — | — | — | 3 | 1 | 4 | 75.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 16 | 2020 | 8 | 6 | 14 | 57.1% | 2 | 2 | 4 | 50.0% | — | — | — | — | 2016 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 17 | 2021 | 15 | 10 | 25 | 60.0% | 16 | 4 | 20 | 80.0% | 4 | 2 | 6 | 66.7% | 2017 | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 18 | 2022 | 23 | 16 | 39 | 59.0% | 10 | 4 | 14 | 71.4% | 5 | 2 | 7 | 71.4% | 2018 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 19 | 2023 | 40 | 9 | 49 | 81.6% | 7 | 4 | 11 | 63.6% | 4 | 3 | 7 | 57.1% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2024 | 35 | 10 | 45 | 77.8% | 14 | 5 | 19 | 73.7% | 5 | 2 | 7 | 71.4% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2025 | 25 | 11 | 36 | 69.4% | 18 | 3 | 21 | 85.7% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2026 | 17 | 6 | 23 | 73.9% | 10 | 4 | 14 | 71.4% | 5 | 2 | 7 | 71.4% | 2022 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 1 | 4 | 5 | 20.0% | 2 | 2 | 4 | 50.0% | — | — | — | — |
| 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 0 | 3 | 3 | 0.0% | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 2 | 2 | 4 | 50.0% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% |
| Career | — | 171 | 72 | 243 | 70.4% | 77 | 26 | 103 | 74.8% | 26 | 14 | 40 | 65.0% | — | 7 | 19 | 26 | 26.9% | 2 | 7 | 9 | 22.2% | 0 | 2 | 2 | 0.0% |
Performance Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 368/387 of Coco Gauff's and 37/38 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 | Coco Gauff | 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% | |
| 15 | 2019 | 16/16 | 2.8 | 4.8 | 65.0% | 63.7% | 42.2% | 52.0% | 54.1% | 56.1% | 42.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 16 | 2020 | 18/18 | 3.1 | 8.3 | 61.0% | 69.1% | 42.3% | 46.5% | 55.8% | 58.6% | 41.7% | 2016 | 3/3 | 1.0 | 3.7 | 59.0% | 55.2% | 30.3% | 50.6% | 66.7% | 44.4% | 38.1% |
| 17 | 2021 | 49/51 | 5.1 | 5.3 | 60.9% | 69.1% | 47.5% | 55.5% | 44.3% | 60.6% | 44.5% | 2017 | 8/8 | 3.4 | 5.5 | 48.8% | 66.2% | 45.1% | 51.9% | 31.0% | 55.7% | 38.9% |
| 18 | 2022 | 58/60 | 4.1 | 5.3 | 63.1% | 67.1% | 45.3% | 57.8% | 49.0% | 59.2% | 45.2% | 2018 | 2/2 | 5.0 | 6.0 | 48.1% | 68.0% | 33.7% | 50.0% | 35.0% | 49.8% | 33.8% |
| 19 | 2023 | 66/67 | 3.9 | 3.3 | 60.1% | 68.8% | 48.2% | 56.6% | 51.7% | 60.7% | 46.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 2024 | 68/71 | 3.6 | 6.1 | 58.4% | 73.6% | 45.5% | 56.7% | 52.8% | 62.1% | 49.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2025 | 54/60 | 2.7 | 6.9 | 62.4% | 67.8% | 45.3% | 49.7% | 57.7% | 59.4% | 49.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2026 | 39/44 | 2.9 | 5.0 | 65.3% | 67.2% | 40.9% | 50.7% | 46.9% | 58.0% | 48.2% | 2022 | 2/2 | 4.0 | 2.5 | 66.5% | 68.4% | 39.1% | 56.4% | 50.0% | 58.6% | 36.6% |
| 23 | — | —/— | — | — | — | — | — | — | — | — | — | 2023 | 9/9 | 2.2 | 3.0 | 58.1% | 62.9% | 43.8% | 57.4% | 39.7% | 55.0% | 39.3% |
| 24 | — | —/— | — | — | — | — | — | — | — | — | — | 2024 | 7/7 | 3.7 | 3.3 | 66.8% | 58.5% | 42.2% | 52.8% | 37.1% | 55.1% | 36.5% |
| 26 | — | —/— | — | — | — | — | — | — | — | — | — | 2026 | 6/7 | 3.3 | 3.2 | 64.6% | 59.3% | 49.2% | 50.2% | 43.5% | 55.8% | 41.1% |
| Career | — | 368/387 | 3.7 | 5.4 | 61.5% | 68.9% | 45.4% | 54.3% | 51.2% | 59.9% | 46.7% | — | 37/38 | 3.1 | 3.8 | 58.8% | 62.1% | 42.8% | 53.2% | 40.4% | 54.4% | 38.4% |
Advanced Statistics Comparison by Age
Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. 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 | Coco Gauff | Kayla Day | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Schedule | |
| 15 | 2019 | 1694 | 127.3 | -0.45 | -1.47 | 0.957 | 49.2% | -26 | — | +18 | 57.1% | -0.11 | 5–0 (100%) | 3–0 (100%) | +0.55 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 16 | 2020 | 1782 | 145.0 | +0.78 | +0.22 | 1.007 | 50.4% | -14 | -208 | — | 57.8% | +0.27 | 3–6 (33%) | 3–2 (60%) | -1.27 | 2016 | 1541 | 108.1 | -2.89 | +0.53 | 0.685 | 42.0% | +16 | — | — | 0.0% | -4.75 | — | — | -0.22 |
| 17 | 2021 | 1897 | 145.7 | +3.52 | +2.26 | 1.130 | 52.5% | -103 | +12 | -81 | 60.2% | +0.65 | 13–6 (68%) | 10–7 (59%) | -0.61 | 2017 | 1526 | 111.1 | 0.00 | -2.26 | 0.877 | 47.2% | +12 | — | — | 45.0% | -0.85 | 1–3 (25%) | — | -0.27 |
| 18 | 2022 | 1927 | 158.2 | +2.91 | +2.91 | 1.106 | 52.0% | -48 | +74 | -42 | 62.5% | +0.84 | 6–4 (60%) | 10–6 (63%) | -1.89 | 2018 | 1488 | 90.9 | -2.88 | -2.16 | 0.673 | 41.8% | — | — | — | 20.0% | -3.20 | 0–1 | — | +0.18 |
| 19 | 2023 | 2107 | 166.1 | +4.50 | +4.46 | 1.173 | 53.4% | +39 | -133 | -241 | 70.9% | +1.39 | 11–5 (69%) | 8–1 (89%) | -1.10 | 2019 | 1463 | 99.5 | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2024 | 2121 | 167.8 | +4.83 | +6.58 | 1.311 | 55.6% | +52 | -74 | -147 | 70.9% | +1.78 | 12–8 (60%) | 9–7 (56%) | +0.81 | 2020 | 1450 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2025 | 2102 | 167.4 | +2.64 | +6.44 | 1.221 | 54.4% | +19 | +118 | — | 66.9% | +1.29 | 12–3 (80%) | 10–6 (63%) | +0.40 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2026 | 2089 | 161.6 | +1.85 | +5.81 | 1.148 | 53.0% | +47 | +72 | -132 | 64.5% | +1.15 | 15–9 (63%) | 5–4 (56%) | -0.51 | 2022 | 1535 | 99.4 | -0.92 | -1.75 | 0.884 | 47.0% | — | — | — | 0.0% | -2.00 | — | 0–1 | +0.40 |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 1565 | 119.0 | -0.82 | -1.34 | 0.874 | 47.7% | -46 | +5 | — | 31.6% | -0.84 | 1–0 | 0–1 | +0.48 |
| 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1436 | 102.8 | -2.31 | -3.54 | 0.812 | 46.2% | -1 | +62 | — | 22.2% | -1.61 | 0–4 (0%) | 1–3 (25%) | +0.80 |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1481 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1638 | 132.1 | +0.10 | +0.13 | 0.931 | 48.6% | -14 | — | — | 35.7% | -0.86 | 1–1 | 1–1 | -0.59 |
| Career | — | 2157 | 165.9 | +3.23 | +4.28 | 1.166 | 53.3% | +4 | +10 | -114 | 65.6% | +1.12 | 77–41 (65%) | 58–33 (64%) | -0.95 | — | 1638 | 116.5 | -1.06 | -1.63 | 0.842 | 46.6% | -7 | +29 | — | 29.8% | -1.39 | 3–9 (25%) | 2–6 (25%) | +2.11 |
Career Rivalries
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
Kayla Day
all rivalries →| 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 |
| Coco Gauff | 0 | 1 | 1 | Aug 5, 2026 | H2H |