H2H data updated: 2026-11-08 00:00 UTC

Tatiana Prozorova vs Sofia Costoulas H2H: 1-0

Tatiana Prozorova holds a 1–0 lead over Sofia Costoulas in their WTA head-to-head. Across 1 main-draw meeting, Tatiana Prozorova leads 1–0 on hard courts. Most recently, Tatiana Prozorova won the 2026 Singapore Tennis Open first round 5-7 7-6(2) 6-2.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Tatiana Prozorova
Russia Age 23 Right-Handed
H2H
1 – 0
1 main-draw meetings
Sofia Costoulas
Belgium Age 21 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Tatiana Prozorova #180 5-7 7-6(2) 6-2 Sofia Costoulas #152 Match data Sep 22, 2026 R32 Singapore Tennis Open WTA 500 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
Tatiana Prozorova #124 #117 634 1,712 5 12 29.4% 0 0 0 0 0 0
Sofia Costoulas #183 #134 580 1,617 2 5 28.6% 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 Tatiana Prozorova Sofia Costoulas
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2023 1–3 25.0% #231 1,533 0 0 — — — — — — —
20 2024 0–2 0.0% #247 1,539 0 0 — — — — — — —
21 2025 0–3 0.0% #186 1,565 0 0 2026 2–5 28.6% #183 1,482 0 0
22 2026 4–4 50.0% #124 1,692 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 Tatiana Prozorova Sofia Costoulas
Yr HardClay Yr HardClay
W L M Win % W L M Win % W L M Win % W L M Win %
19 2023 0 1 1 0.0% 1 2 3 33.3% — — — — — — — — —
20 2024 0 2 2 0.0% — — — — — — — — — — — — —
21 2025 0 3 3 0.0% — — — — 2026 2 4 6 33.3% 0 1 1 0.0%
22 2026 4 4 8 50.0% — — — — — — — — — — — — —
Career — 4 10 14 28.6% 1 2 3 33.3% — 2 4 6 33.3% 0 1 1 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 14/17 of Tatiana Prozorova's and 7/7 of Sofia Costoulas'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 Tatiana Prozorova Sofia Costoulas
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%
19 2023 4/4 1.0 5.0 64.9% 54.7% 43.9% 51.0% 55.2% 50.3% 40.2% — —/— — — — — — — — — —
20 2024 2/2 2.0 3.0 67.4% 59.4% 40.6% 51.3% 52.6% 53.2% 40.7% — —/— — — — — — — — — —
21 2025 1/3 0.0 1.0 66.1% 51.4% 36.8% 16.7% 0.0% 46.4% 27.7% 2026 7/7 2.9 3.7 52.8% 66.2% 44.7% 58.3% 40.9% 56.6% 42.5%
22 2026 7/8 3.1 3.7 64.2% 64.1% 41.3% 57.1% 41.3% 56.0% 41.7% — —/— — — — — — — — — —
Career — 14/17 2.1 3.8 65.0% 59.8% 41.6% 51.6% 43.9% 53.3% 40.1% — 7/7 2.9 3.7 52.8% 66.2% 44.7% 58.3% 40.9% 56.6% 42.5%

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 Tatiana Prozorova Sofia Costoulas
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
19 2023 1533 105.4 -0.66 -1.13 0.809 45.7% — +29 — 33.3% -1.89 0–1 1–0 — -0.11 2024 1481 — — — — — — — — — — — — — —
20 2024 1539 111.4 -2.62 -3.85 0.869 47.5% — — — 33.3% -1.00 0–2 — — -0.07 2025 1523 97.0 — — — — — — — — — — — — —
21 2025 1566 121.5 +0.33 -1.63 0.516 37.9% +5 — — 14.3% -1.86 0–1 — — -0.36 2026 1483 114.3 -0.70 -0.34 0.979 49.5% +61 — — 38.9% -0.33 1–3 (25%) 0–2 — +0.77
22 2026 1692 118.2 -1.04 -0.53 0.949 48.9% +16 — — 47.4% -0.16 4–1 (80%) 1–0 — -0.10 — — — — — — — — — — — — — — — —
Career — 1713 119.2 -1.06 -1.25 0.859 47.0% +13 +29 — 36.6% -0.95 4–5 (44%) 2–0 — -4.00 — 1618 109.5 -0.70 -0.34 0.979 49.5% +61 — — 38.9% -0.33 1–3 (25%) 0–2 — +11.00

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.