H2H data updated: 2026-08-31 00:00 UTC

Elvina Kalieva vs Sofia Costoulas

Compare the head-to-head record, career totals, season-by-season performance, and match log for Elvina Kalieva vs Sofia Costoulas.

United States Age 23 Right-Handed
H2H
0 0
0 main draw meetings
Belgium Age 21 Right-Handed

H2H Match Log

WinnerScoreLoserMatch DataDateRoundTournamentCategorySurface
Elvina Kalieva #115 3-6 6-3 6-4 Sofia Costoulas #155 Match data Aug 26, 2026 Q2 Q US Open Grand Slam Hard

1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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
Elvina Kalieva #115 #115 652 1,679 4 12 25.0% 0 0 0 0 0 0
Sofia Costoulas #155 #134 580 1,616 2 4 33.3% 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 Elvina Kalieva Sofia Costoulas
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 2022 0–1 0.0% #236 1,471 0 0
19 2023 0–3 0.0% #198 1,470 0 0
20 2024 0–1 0.0% #277 1,487 0 0
21 2026 2–4 33.3% #155 1,556 0 0
22 2026 4–7 36.4% #115 1,666 0 0

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 Elvina Kalieva Sofia Costoulas
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
17 2021 1476 97.6
18 2022 1471 106.7 +1.60 +4.43 0.992 49.8% 33.3% -1.00 0–1 0–1 -0.08
19 2023 1471 101.1 -3.24 -2.54 0.495 36.1% 0.0% -4.33 0–1 -0.10 2024 1481
20 2024 1488 101.4 +0.71 -3.71 0.709 42.4% 0.0% -3.50 -0.07 2025 1523 97.0
21 2025 1517 104.8 2026 1556 113.8 -0.84 +0.19 1.002 49.9% +42 40.0% -0.20 1–2 (33%) 0–1 +0.64
22 2026 1667 116.9 -0.48 -1.99 0.903 47.8% -18 -64 37.0% -1.07 3–2 (60%) 3–2 (60%) -0.17
Career 1680 110.6 -0.79 -1.80 0.806 45.4% -18 -64 28.9% -1.71 3–3 (50%) 3–4 (43%) -2.63 1617 109.0 -0.84 +0.19 1.002 49.9% +42 40.0% -0.20 1–2 (33%) 0–1 +10.67

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.