H2H data updated: 2026-09-13 00:00 UTC
Diana Shnaider vs Sayaka Ishii: 0–0 excluding walkovers; 1–0 including 1 walkover. Across 1 main-draw results including walkovers, Diana Shnaider leads 1–0 on hard courts. Most recently, Diana Shnaider won the 2024 Pan Pacific Open quarterfinal W/O.
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 |
|---|---|---|---|---|---|---|---|---|
| Diana Shnaider | (w/o) | Sayaka Ishii | Match data | Oct 26, 2024* | QF | Pan Pacific Open | WTA 500 | Hard |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diana Shnaider | #16 | #11 | 3,216 | 1,968 | 114 | 77 | 59.7% | 0 | 0 | 0 | 2 | 3 | 5 |
| Sayaka Ishii | #466 | #188 | 376 | 1,580 | 2 | 3 | 40.0% | 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 | Diana Shnaider | Sayaka Ishii | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | — | — | — | — | — | — | — | 2024 | 2–2 | 50.0% | #196 | 1,571 | 0 | 0 |
| 19 | 2023 | 16–11 | 59.3% | #93 | 1,671 | 0 | 0 | 2025 | 0–1 | 0.0% | #398 | 1,565 | 0 | 0 |
| 20 | 2024 | 43–21 | 67.2% | #13 | 1,933 | 0 | 4 | — | — | — | — | — | — | — |
| 21 | 2025 | 27–26 | 50.9% | #21 | 1,840 | 0 | 5 | — | — | — | — | — | — | — |
| 22 | 2026 | 28–19 | 59.6% | #16 | 1,948 | 0 | 5 | — | — | — | — | — | — | — |
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 | Diana Shnaider | Sayaka Ishii | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — |
| 19 | 2023 | 9 | 7 | 16 | 56.3% | 7 | 4 | 11 | 63.6% | — | — | — | — | 2025 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 20 | 2024 | 26 | 13 | 39 | 66.7% | 8 | 5 | 13 | 61.5% | 9 | 3 | 12 | 75.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2025 | 15 | 17 | 32 | 46.9% | 8 | 5 | 13 | 61.5% | 4 | 4 | 8 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2026 | 17 | 11 | 28 | 60.7% | 10 | 5 | 15 | 66.7% | 1 | 3 | 4 | 25.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 67 | 48 | 115 | 58.3% | 33 | 19 | 52 | 63.5% | 14 | 10 | 24 | 58.3% | — | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 167/192 of Diana Shnaider's and 4/5 of Sayaka Ishii'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 | Diana Shnaider | Sayaka Ishii | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | |
| 18 | — | —/— | — | — | — | — | — | — | — | — | — | 2024 | 3/4 | 0.3 | 6.0 | 60.5% | 64.4% | 47.3% | 58.3% | 42.9% | 57.5% | 49.4% |
| 19 | 2023 | 27/27 | 2.1 | 2.6 | 61.2% | 62.6% | 45.9% | 46.9% | 47.0% | 56.1% | 44.1% | 2025 | 1/1 | 0.0 | 1.0 | 72.7% | 43.8% | 33.3% | 16.7% | 100.0% | 40.9% | 30.0% |
| 20 | 2024 | 61/65 | 2.0 | 2.5 | 64.7% | 65.7% | 52.1% | 51.8% | 50.7% | 60.9% | 44.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2025 | 34/53 | 1.3 | 3.5 | 64.6% | 62.3% | 48.0% | 58.4% | 55.2% | 57.1% | 46.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2026 | 45/47 | 1.4 | 3.2 | 66.1% | 64.5% | 48.3% | 51.1% | 46.9% | 59.0% | 44.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 167/192 | 1.7 | 2.9 | 64.5% | 64.2% | 49.3% | 52.2% | 50.0% | 58.8% | 44.8% | — | 4/5 | 0.3 | 4.8 | 63.6% | 59.2% | 43.8% | 47.9% | 57.1% | 53.3% | 44.6% |
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 | Diana Shnaider | Sayaka Ishii | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2022 | 1480 | 95.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | 2021 | 1502 | 102.5 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 1472 | 99.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2022 | 1644 | 97.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1572 | 119.4 | +0.69 | +1.59 | 1.162 | 53.4% | +18 | — | — | 62.5% | +1.50 | 1–1 | 1–1 | — | +0.19 |
| 19 | 2023 | 1671 | 131.8 | -0.86 | +0.52 | 1.005 | 50.2% | -49 | +46 | — | 55.2% | +0.28 | 4–2 (67%) | 1–1 | — | -0.47 | 2025 | 1566 | 99.7 | +0.48 | +0.58 | 0.508 | 35.7% | — | — | — | 0.0% | -4.50 | — | — | — | -0.08 |
| 20 | 2024 | 1933 | 148.2 | +3.78 | +1.99 | 1.145 | 52.8% | -40 | -70 | -60 | 62.9% | +0.93 | 11–8 (58%) | 8–3 (73%) | 106.3 | +0.64 | 2026 | 1499 | 94.6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2025 | 1841 | 153.4 | +0.09 | +1.96 | 1.071 | 51.5% | -17 | +57 | +25 | 52.4% | +0.38 | 9–12 (43%) | 12–10 (55%) | 98.6 | +1.31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2026 | 1948 | 159.1 | +2.23 | +2.53 | 1.083 | 51.7% | -6 | +17 | -172 | 57.8% | +0.71 | 8–7 (53%) | 8–7 (53%) | 102.5 | -1.41 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1969 | 153.0 | +1.86 | +1.89 | 1.089 | 51.8% | -27 | +11 | -50 | 57.6% | +0.63 | 32–29 (52%) | 29–21 (58%) | 106.6 | +0.04 | — | 1580 | 107.6 | +0.64 | +1.34 | 0.955 | 48.9% | +18 | — | — | 50.0% | +0.30 | 1–1 | 1–1 | — | +2.75 |
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 |
|---|---|---|---|---|---|
| Paula Badosa | 2 | 4 | 6 | Oct 17, 2024 | H2H |
| Jessica Pegula | 1 | 4 | 5 | Aug 8, 2026 | H2H |
| Leylah Fernandez | 3 | 2 | 5 | Apr 2, 2026 | H2H |
| Alycia Parks | 3 | 2 | 5 | Feb 8, 2026 | H2H |
| Liudmila Samsonova | 3 | 1 | 4 | Jul 31, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Emma Raducanu | 0 | 1 | 1 | Mar 19, 2025 | H2H |
| Diana Shnaider | 0 | 1 | 1 | Oct 26, 2024 | H2H |
| Zeynep Sonmez | 1 | 0 | 1 | Oct 25, 2024 | H2H |
| Sara Saito | 1 | 0 | 1 | Oct 24, 2024 | H2H |
| Katerina Siniakova | 0 | 1 | 1 | Aug 21, 2024 | H2H |