Player data updated: 2026-09-01 04:31 UTC
Sofia Costoulas
Instagram profile (opens in new tab)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.
WTA Matches full match log →
| Opponent | Score | Result | H2H | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Elvina Kalieva | 6-3 3-6 4-6 | L | H2H | Match data | Aug 26, 2026 | Q2 | US Open | Grand Slam | Hard |
| Jennifer Ruggeri | 7-5 6-4 | W | H2H | Match data | Aug 25, 2026 | Q1 | US Open | Grand Slam | Hard |
| Ayla Aksu | 6-2 3-6 4-6 | L | H2H | Match data | Jul 20, 2026 | R32 | Prague Open | WTA 250 | Hard |
| Ayla Aksu | 7-5 6-2 | W | H2H | Match data | Jul 19, 2026 | Q2 | Prague Open | WTA 250 | Hard |
| Nao Hibino | 6-7(4) 7-5 6-4 | W | H2H | Match data | Jul 18, 2026 | Q1 | Prague Open | WTA 250 | Hard |
Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.
Rivals all rivalries →
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| 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
Career Results by Surface
Career Results by Opponent Rank
| Season | Age | 1-10 | 11-30 | 31-100 | 100+ | Total | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 2026 | 21 | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 3 | 3 | 0.0% | 2 | 1 | 3 | 66.7% | 2 | 4 | 6 | 33.3% |
| Career | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 3 | 3 | 0.0% | 2 | 1 | 3 | 66.7% | 2 | 4 | 6 | 33.3% | |
Performance Stats
| Season | Age | Sample | Aces/M | DFs/M | 1st Sv% | 1st Sv Pts% | 2nd Sv Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 21 | 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
| 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
| Season | Age | AO | RG | W | USO | W-L Win % |
|---|---|---|---|---|---|---|
| 2025 | 20 | — | Q1 | — | — | 0–1 (0%) |
| 2026 | 21 | Q1 | Q3 | Q1 | Q2 | 3–4 (43%) |
| W-L | 0–1 (0%) | 2–2 (50%) | 0–1 (0%) | 1–1 (50%) |
3–5 (38%) |
WTA 250
| Season | Age | ASB | ATH | BOG | PRA | W-L Win % |
|---|---|---|---|---|---|---|
| 2026 | 21 | QF | R32 | R32 | R32 | 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
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First Top 20
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First Top 10
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Ranking History Matrix
Similar Players
Other WTA players with comparable peak level, era, career record, and career scale.
| 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.