Sofia Costoulas
- Strongest on hard — weighted Elo 1812.
Form & fitness
Model carry-in
Sofia Costoulas sits in the tour median band of active WTA-tour players by our weighted Elo measure. On hard, the model rates them below their overall number — a surface where their price routinely overstates them. Pressure profile: good — better than tour median. We use this to size break-point and tiebreak edges in close matches. Career record in our database: 133-96 (58.1%) across 229 matches — hard 91-55, clay 41-40. Live numbers (weighted Elo, choke index, projected hold, full service profile, recent form) refresh nightly and are visible to subscribers.
Full data & recent form
How old is Sofia Costoulas?
Sofia Costoulas was born on 02 April 2005, making them 21 years old and represents Belgium. They compete on the WTA tour.
Is Sofia Costoulas in form right now?
Over their last 5 completed matches in our database Sofia Costoulas has gone 2-3 (L-W-L-W-L, most recent first) — in patchy form. Form is refreshed nightly.
What is Sofia Costoulas's best surface?
By our weighted Elo measure, Sofia Costoulas's strongest surface is hard, where they rate at 1812 Welo. Their record in our database on hard over the last 52 weeks is 5-5.
How does Sofia Costoulas perform under pressure?
Their choke index reads 0.328 — good — better than tour median. We compute this from every break-point, tiebreak, and serving-for-the-set scenario over 36 months.
What is Sofia Costoulas's career win rate?
Sofia Costoulas has won 133 of 229 matches in our database (58.1%). By surface: hard 91-55, clay 41-40, grass 0-0.
What tour does Sofia Costoulas play on?
Sofia Costoulas competes on the WTA tour. Our model covers every active WTA player with 30 or more matches in our database — refreshed nightly with new results and ratings.
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Methodology
Surface-specific weighted Elo, choke index, projected hold and other signals come from our Markov tennis model trained on 1.8 million matches. Read the methodology: how the Markov model misprices pressure · how the fault.bet model is built · Kelly staking guide.
Numbers refresh nightly from the production model. Last data snapshot: 2026-06-03. Not personalised advice. 18+. Responsible Gambling