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 |
| Jessica Pegula | 5 | 5 | 10 | Aug 23, 2026 | H2H |
| Paula Badosa | 4 | 5 | 9 | Sep 3, 2026 | H2H |
H2H data updated: 2026-10-08 00:00 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
| Player | Score | Player | 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 |
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.
Career Comparison
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Coco Gauff | #4 | #2 | 8,173 | 2,176 | 287 | 114 | 71.6% | 2 | 4 | 1 | 1 | 4 | 12 |
| Kayla Day | #112 | #84 | 847 | 1,637 | 10 | 30 | 25.0% | 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 | 1,540 | 0 | 0 |
| 17 | 2021 | 35–16 | 68.6% | #22 | 1,897 | 0 | 2 | 2017 | 3–5 | 37.5% | #150 | 1,524 | 0 | 0 |
| 18 | 2022 | 38–22 | 63.3% | #7 | 1,927 | 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 | 2,119 | 1 | 9 | — | — | — | — | — | — | — |
| 21 | 2025 | 43–16 | 72.9% | #3 | 2,100 | 2 | 11 | — | — | — | — | — | — | — |
| 22 | 2026 | 45–14 | 76.3% | #4 | 2,136 | 2 | 12 | 2022 | 0–2 | 0.0% | #197 | 1,534 | 0 | 0 |
| 23 | — | — | — | — | — | — | — | 2023 | 3–6 | 33.3% | #87 | 1,564 | 0 | 0 |
| 24 | — | — | — | — | — | — | — | 2024 | 0–7 | 0.0% | #241 | 1,435 | 0 | 0 |
| 26 | — | — | — | — | — | — | — | 2026 | 3–6 | 33.3% | #112 | 1,614 | 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 | 30 | 8 | 38 | 78.9% | 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 | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% |
| Career | — | 184 | 74 | 258 | 71.3% | 77 | 26 | 103 | 74.8% | 26 | 14 | 40 | 65.0% | — | 8 | 21 | 29 | 27.6% | 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 383/402 of Coco Gauff's and 40/40 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 | 54/59 | 3.2 | 4.9 | 63.0% | 67.8% | 44.7% | 48.7% | 49.7% | 59.4% | 47.8% | 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 | 9/9 | 4.7 | 4.6 | 64.4% | 63.1% | 45.7% | 57.8% | 48.9% | 56.9% | 40.7% |
| Career | — | 383/402 | 3.7 | 5.4 | 61.3% | 69.0% | 45.8% | 53.9% | 51.4% | 60.1% | 46.7% | — | 40/40 | 3.4 | 4.1 | 59.2% | 62.8% | 42.5% | 54.7% | 41.9% | 54.7% | 38.5% |
Advanced Statistics Comparison by Age
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 | Coco Gauff | 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 | |
| 15 | 2019 | 1694 | 127.4 | -0.40 | -1.45 | 0.957 | 49.2% | -25 | — | +15 | 57.1% | -0.11 | 5–0 (100%) | 3–0 (100%) | 110.5 | +0.12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 16 | 2020 | 1782 | 144.9 | +0.78 | +0.22 | 1.007 | 50.4% | -13 | -207 | — | 57.8% | +0.27 | 3–6 (33%) | 3–2 (60%) | 100.2 | -1.08 | 2016 | 1540 | 107.8 | -2.89 | +0.53 | 0.685 | 42.0% | +14 | — | — | 0.0% | -4.75 | — | — | — | -0.17 |
| 17 | 2021 | 1898 | 145.4 | +3.52 | +2.26 | 1.130 | 52.5% | -104 | +9 | -86 | 60.2% | +0.65 | 13–6 (68%) | 10–7 (59%) | 108.1 | +0.08 | 2017 | 1524 | 111.0 | 0.00 | -2.37 | 0.877 | 47.2% | +13 | — | — | 45.0% | -0.85 | 1–3 (25%) | — | — | -0.14 |
| 18 | 2022 | 1927 | 158.3 | +2.88 | +2.90 | 1.106 | 52.0% | -48 | +73 | -46 | 62.5% | +0.84 | 6–4 (60%) | 10–6 (63%) | 103.4 | -1.68 | 2018 | 1487 | 91.2 | -2.87 | -2.16 | 0.673 | 41.8% | — | — | — | 20.0% | -3.20 | 0–1 | — | — | +0.16 |
| 19 | 2023 | 2107 | 166.1 | +4.50 | +4.45 | 1.173 | 53.4% | +40 | -131 | -245 | 70.9% | +1.39 | 11–5 (69%) | 8–1 (89%) | 106.9 | -0.71 | 2019 | 1463 | 99.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2024 | 2120 | 167.7 | +4.83 | +6.58 | 1.311 | 55.6% | +53 | -73 | -151 | 70.9% | +1.78 | 12–8 (60%) | 9–7 (56%) | 99.0 | +0.77 | 2020 | 1450 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2025 | 2101 | 167.3 | +2.65 | +6.44 | 1.221 | 54.4% | +19 | +119 | — | 66.9% | +1.29 | 12–3 (80%) | 10–6 (63%) | 106.5 | +0.41 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2026 | 2137 | 166.4 | +3.16 | +5.75 | 1.177 | 53.5% | +48 | +37 | -171 | 68.1% | +1.31 | 18–10 (64%) | 9–4 (69%) | 106.5 | +0.12 | 2022 | 1535 | 99.5 | -0.90 | -1.76 | 0.884 | 47.0% | — | — | — | 0.0% | -2.00 | — | 0–1 | — | +0.44 |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1474 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1615 | 131.4 | +0.02 | -0.22 | 0.945 | 49.1% | -21 | — | — | 40.9% | -0.50 | 1–3 (25%) | 2–3 (40%) | 99.1 | -0.50 |
| Career | — | 2176 | 166.4 | +3.36 | +4.33 | 1.170 | 53.3% | +7 | +5 | -125 | 66.2% | +1.15 | 80–42 (66%) | 62–33 (65%) | 114.1 | -0.49 | — | 1637 | 116.8 | -0.98 | -1.60 | 0.851 | 46.9% | -10 | +30 | — | 31.5% | -1.26 | 3–11 (21%) | 3–8 (27%) | 90.7 | +2.95 |
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 |
| Liudmila Samsonova | 0 | 1 | 1 | Sep 17, 2026 | H2H |