H2H data updated: 2026-11-04 00:00 UTC
Simona Waltert holds a 1–0 lead over Sahaja Yamalapalli in their WTA head-to-head. Across 1 main-draw meeting, Simona Waltert leads 1–0 on hard courts. Most recently, Simona Waltert won the 2026 Chennai Open first round 6-4 3-6 6-3.
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 |
|---|---|---|---|---|---|---|---|---|
| Simona Waltert | 6-4 3-6 6-3 | Sahaja Yamalapalli | Match data | Nov 3, 2026 | R32 | Chennai Open | WTA 250 | 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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Simona Waltert | #133 | #81 | 880 | 1,715 | 14 | 26 | 35.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| Sahaja Yamalapalli | #423 | #291 | 229 | 1,532 | 1 | 2 | 33.3% | 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 | Simona Waltert | Sahaja Yamalapalli | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 2019 | 1–1 | 50.0% | #281 | 1,490 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2021 | 0–1 | 0.0% | #219 | 1,473 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2022 | 3–2 | 60.0% | #125 | 1,547 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2023 | 1–4 | 20.0% | #167 | 1,488 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2024 | 1–3 | 25.0% | #174 | 1,514 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2025 | 3–2 | 60.0% | #87 | 1,692 | 0 | 0 | 2025 | 1–1 | 50.0% | #330 | 1,525 | 0 | 0 |
| 25 | 2026 | 5–13 | 27.8% | #133 | 1,625 | 0 | 0 | 2026 | 0–1 | 0.0% | #423 | 1,473 | 0 | 0 |
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 | Simona Waltert | Sahaja Yamalapalli | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2019 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2021 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2022 | — | — | — | — | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2023 | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2024 | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2025 | 1 | 1 | 2 | 50.0% | 2 | 1 | 3 | 66.7% | — | — | — | — | 2025 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 25 | 2026 | 3 | 6 | 9 | 33.3% | 2 | 6 | 8 | 25.0% | 0 | 1 | 1 | 0.0% | 2026 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| Career | — | 4 | 9 | 13 | 30.8% | 10 | 15 | 25 | 40.0% | 0 | 2 | 2 | 0.0% | — | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. 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 | Simona Waltert | Sahaja Yamalapalli | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2019 | 2/2 | 3.5 | 3.0 | 60.5% | 62.4% | 44.0% | 35.4% | 35.6% | 54.2% | 41.5% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 2021 | 1/1 | 4.0 | 5.0 | 66.2% | 60.0% | 21.7% | 44.4% | 75.0% | 47.1% | 37.5% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2022 | 5/5 | 0.6 | 6.6 | 66.9% | 62.0% | 47.4% | 57.2% | 33.5% | 57.3% | 44.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2023 | 5/5 | 1.0 | 4.8 | 67.9% | 53.8% | 41.3% | 21.9% | 38.0% | 49.8% | 45.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 23 | 2024 | 4/4 | 0.8 | 4.5 | 64.7% | 55.0% | 46.6% | 43.2% | 61.5% | 51.5% | 44.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 25 | 2026 | 18/18 | 2.6 | 4.5 | 61.8% | 57.1% | 41.2% | 53.4% | 47.1% | 51.7% | 41.1% | 2026 | 1/1 | 1.0 | 5.0 | 60.6% | 59.7% | 51.4% | 64.3% | 23.5% | 56.4% | 45.0% |
| Career | — | 35/40 | 1.9 | 4.8 | 63.8% | 57.5% | 42.3% | 47.0% | 45.6% | 52.2% | 42.5% | — | 1/3 | 1.0 | 5.0 | 60.6% | 59.7% | 51.4% | 64.3% | 23.5% | 56.4% | 45.0% |
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 | Simona Waltert | Sahaja Yamalapalli | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2017 | 1483 | 97.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | 2018 | 1472 | 94.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2019 | 1490 | 99.3 | -0.76 | +2.71 | 0.905 | 47.5% | — | — | — | 0.0% | -3.00 | — | — | — | -0.19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2020 | 1473 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2021 | 1473 | 101.2 | -2.42 | -2.32 | 0.708 | 42.7% | — | — | — | 0.0% | -2.00 | — | — | — | -0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2022 | 1547 | 116.2 | -0.45 | -0.41 | 1.038 | 50.8% | — | +47 | — | 53.8% | +0.54 | 2–1 (67%) | 1–3 (25%) | — | -0.07 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2023 | 1489 | 110.6 | -2.35 | -0.50 | 0.913 | 47.4% | — | +90 | — | 30.8% | -1.08 | 1–2 (33%) | — | — | -0.02 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2024 | 1515 | 108.9 | -1.73 | -1.85 | 0.907 | 47.8% | — | +54 | — | 25.0% | -1.38 | — | 0–1 | — | +0.32 | 2024 | 1520 | 95.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2025 | 1692 | 114.8 | — | — | — | — | — | +115 | — | 63.6% | +0.54 | 0–1 | 1–1 | — | -0.11 | 2025 | 1525 | 103.8 | — | — | — | — | — | — | — | 50.0% | -0.50 | — | — | — | +0.16 |
| 25 | 2026 | 1626 | 125.7 | -2.21 | -1.37 | 0.851 | 46.4% | -75 | +170 | — | 30.2% | -1.16 | 4–3 (57%) | 2–3 (40%) | 101.7 | -1.01 | 2026 | 1474 | 99.6 | -1.31 | -3.20 | 1.032 | 50.0% | — | — | — | 33.3% | -0.67 | 0–1 | — | — | +0.06 |
| Career | — | 1715 | 119.7 | -1.85 | -0.96 | 0.889 | 47.3% | -75 | +108 | — | 35.9% | -0.78 | 7–7 (50%) | 4–8 (33%) | 99.0 | -2.83 | — | 1532 | 99.5 | -1.31 | -3.20 | 1.032 | 50.0% | — | — | — | 42.9% | -0.57 | 0–1 | — | — | +7.33 |
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 |
|---|---|---|---|---|---|
| Jil Teichmann | 0 | 3 | 3 | Oct 27, 2026 | H2H |
| Mayar Sherif | 0 | 2 | 2 | Jul 22, 2026 | H2H |
| Ajla Tomljanovic | 1 | 1 | 2 | Mar 17, 2026 | H2H |
| Sahaja Yamalapalli | 1 | 0 | 1 | Nov 3, 2026 | H2H |
| Nadia Podoroska | 0 | 1 | 1 | Aug 31, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Simona Waltert | 0 | 1 | 1 | Nov 3, 2026 | H2H |
| Donna Vekic | 0 | 1 | 1 | Oct 30, 2025 | H2H |
| Priska Nugroho | 1 | 0 | 1 | Oct 29, 2025 | H2H |