Player data updated: 2026-09-01 04:31 UTC

BEL Age 21 Plays: Right-Handed WTA Tour years active: 2026–2026

Sofia Costoulas represents Belgium on the WTA Tour and is ranked No. 155, with a career high of No. 134. In TennisDB's records, Sofia Costoulas has a career record of 2–4 and no singles titles.

Ranking
155
Career high
134 (Mar 30, 2026)
Elo peak
1617 (40th percentile)
Career record
2–4 (33.3%)
Career titles
0
Prize money
$377,570
YTD W-L
2–4

Records cover recorded main-draw singles results in TennisDB's WTA event archive, including credited walkovers; qualifying is shown separately below.

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WTA Matches full match log →

Sofia Costoulas's recent, live, and scheduled WTA matches
OpponentScoreResultH2HMatch DataDateRoundTournamentCategorySurface
Elvina Kalieva #115 6-3 3-6 4-6 L H2H Match data Aug 26, 2026 Q2 Q US Open Grand Slam Hard
Jennifer Ruggeri #216 7-5 6-4 W H2H Match data Aug 25, 2026 Q1 Q US Open Grand Slam Hard
Ayla Aksu #216 6-2 3-6 4-6 L H2H Match data Jul 20, 2026 R32 Prague Open WTA 250 Hard
Ayla Aksu #214 7-5 6-2 W H2H Match data Jul 19, 2026 Q2 Q Prague Open WTA 250 Hard
Nao Hibino #235 6-7(4) 7-5 6-4 W H2H Match data Jul 18, 2026 Q1 Q Prague Open WTA 250 Hard

Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.

Rivals all rivalries →

Sofia Costoulas's most-played WTA rivals
OpponentWLMLast PlayedH2H
Ayla Aksu 0 1 1 Jul 20, 2026 H2H
Tereza Valentova 0 1 1 Jul 14, 2026 H2H
Hanne Vandewinkel 0 1 1 Mar 31, 2026 H2H
Iva Jovic 0 1 1 Jan 9, 2026 H2H
Kaitlin Quevedo 1 0 1 Jan 7, 2026 H2H

Career Results

Sofia Costoulas career results by season
SeasonAgeTypeWLMWin %Start RankEnd Rank
202520Qualifying Q0110.0%
202621Qualifying Q741163.6%
202621WTA24633.3%143155
Career24633.3%

Career Results by Surface

Sofia Costoulas career results by season and surface
SeasonAgeType HardClayGrassTotal
WLMWin %WLMWin %WLMWin % WLMWin %
202520Qualifying Q 0110.0% 0110.0%
202621Qualifying Q 52771.4%21366.7%0110.0% 741163.6%
202621WTA 23540.0%0110.0% 24633.3%
Career23540.0%0110.0%24633.3%

Career Results by Opponent Rank

Sofia Costoulas career results by season and opponent rank
SeasonAge 1-1011-3031-100100+Total
WLMWin %WLMWin %WLMWin %WLMWin % WLMWin %
202621 00000330.0%21366.7% 24633.3%
Career 00000330.0%21366.7% 24633.3%

Performance Stats

Sofia Costoulas performance statistics by season
SeasonAgeSampleAces/MDFs/M1st Sv%1st Sv Pts%2nd Sv Pts%BP Saved%BP Conv%Svc Pts%Ret Pts%
202621 6/6 2.5 3.5 53.2% 64.8% 44.3% 58.0% 40.5% 55.9% 44.2%
Career 6/6 2.5 3.5 53.2% 64.8% 44.3% 58.0% 40.5% 55.9% 44.2%

Advanced Stats

Sofia Costoulas advanced statistics by season
Season Age Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
2024 19 1481
2025 20 1523 97.0
2026 21 1556 113.8 -0.84 +0.19 1.002 49.9% +42 40.0% -0.20 1–2 (33%) 0–1 +0.64
Career 1617 109.0 -0.84 +0.19 1.002 49.9% +42 40.0% -0.20 1–2 (33%) 0–1 +10.67

Tournament Results by Category

Grand Slams

Sofia Costoulas Grand Slams results by season
SeasonAge AORGWUSO W-L
Win %
202520 Q1 0–1 (0%)
202621 Q1Q3Q1Q2 3–4 (43%)
W-L 0–1
(0%)
2–2
(50%)
0–1
(0%)
1–1
(50%)
3–5
(38%)

WTA 250

Sofia Costoulas WTA 250 results by season
SeasonAge ASBATHBOGPRA W-L
Win %
202621 QFR32R32R32 6–4 (60%)
W-L 4–1
(80%)
0–1
(0%)
0–1
(0%)
2–1
(67%)
6–4
(60%)

Results show the best round reached per tournament and season.

WTA Ranking History full ranking history →

Current rank
155
Career high
134
Career-high date
Mar 30, 2026
First Top 100
First Top 50
First Top 20
First Top 10

Ranking History Matrix

Sofia Costoulas ranking history by month and season
SeasonAgeJanFebMarAprMayJunJulAugSepOctNovDec
202520306298269212210181188181165152150163
202621143141134151144156158155

Similar Players

Other WTA players with comparable peak level, era, career record, and career scale.

Sofia Costoulas's most statistically similar WTA players
Player Country Peak Rank Peak Elo Grand Slams Titles M W L Win % Years Match Log
Linda Klimovicova POL 129 1,621 0 0 3 1 2 33.3% 2026–2026 Match log
Carol Young Suh Lee USA 140 1,659 0 0 3 1 2 33.3% 2026–2026 Match log
Katherine Sebov CAN 136 1,620 0 0 13 4 9 30.8% 2021–2026 Match log
Tyra Caterina Grant ITA 141 1,630 0 0 8 3 5 37.5% 2025–2026 Match log
Emerson Jones AUS 126 1,582 0 0 11 3 8 27.3% 2025–2026 Match log
Despina Papamichail GRE 143 1,582 0 0 17 5 12 29.4% 2021–2026 Match log
Susan Bandecchi SUI 152 1,627 0 0 7 2 5 28.6% 2021–2026 Match log
Teodora Kostovic SRB 146 1,667 0 0 4 1 3 25.0% 2025–2026 Match log
Leyre Romero Gormaz ESP 123 1,650 0 0 10 4 6 40.0% 2024–2026 Match log
Selena Janicijevic FRA 153 1,520 0 0 11 4 7 36.4% 2019–2026 Match log
Mariam Bolkvadze GEO 151 1,585 0 0 7 2 5 28.6% 2019–2026 Match log
Iryna Shymanovich BLR 153 1,613 0 0 16 6 10 37.5% 2022–2026 Match log

Frequently Asked Questions

How old is Sofia Costoulas?
Sofia Costoulas is 21 years old, born on April 2, 2005.
Which country does Sofia Costoulas represent?
Sofia Costoulas represents Belgium in TennisDB's WTA records.
Is Sofia Costoulas left-handed or right-handed?
Sofia Costoulas plays right-handed.
How many Grand Slams has Sofia Costoulas won?
Sofia Costoulas has not won a Grand Slam title.
How many WTA 1000 titles has Sofia Costoulas won?
TennisDB does not group any of Sofia Costoulas's titles under the modern WTA 1000 category.
What is Sofia Costoulas' highest WTA ranking?
Sofia Costoulas' career-high WTA singles ranking is world No. 134, first achieved on March 30, 2026.
What is Sofia Costoulas' career win-loss record?
Sofia Costoulas has a career WTA singles record of 2 wins and 4 losses (33.3%).
How much career prize money has Sofia Costoulas earned?
Sofia Costoulas has earned at least $377,570 in career prize money from professional tennis.
Which seasons of Sofia Costoulas's career appear in TennisDB?
Sofia Costoulas appears in TennisDB's WTA main-tour match records in 2026.
Who has Sofia Costoulas faced most often?
Sofia Costoulas' most frequent opponent is Ayla Aksu, with a head-to-head record of 0–1 across 1 meeting.