TennisEdge's AI bot is backing S. Lansere +5.0 (game handicap) at 1.74 in S. Lansere vs S. Costoulas (Jingshan on 2026-10-01). Result: WON.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | S. Lansere | S. Costoulas |
|---|---|---|
| Elo ratings-based, surface-weighted |
44.3% | 55.7% |
| Machine learning 29-feature gradient-boosted model |
33.6% | 66.4% |
| Serve / return point-by-point simulation |
15.2% | 84.8% |
| Blend what the bot actually prices off |
31.0% | 69.0% |
| Market implied de-vigged from the opening odds |
26.8% | 73.2% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| S. Lansere | hard | 1604 | 95–80 | 175 |
| S. Costoulas | hard | 1523 | 137–86 | 223 |
Our own ratings, computed from match results since 2018. Players with fewer than 5 rated matches are omitted rather than shown at a provisional starting value. Last updated Nov. 8, 2026.
S. Lansere leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| Oct. 1, 2026 | Jingshan | hard | S. Lansere | 2 - 0 |
| W | A. Blinkova | 1 - 2 | Nov. 8, 2026 |
| W | N. Noha Akugue | 2 - 0 | Nov. 7, 2026 |
| W | M. Kubka | 2 - 0 | Nov. 6, 2026 |
| W | K. Novak | 2 - 0 | Nov. 4, 2026 |
| W | A. Okutoyi | 2 - 0 | Nov. 3, 2026 |
| L | L. Samson | 2 - 0 | Nov. 11, 2026 |
| W | A. Esquivel Useche | 2 - 0 | Nov. 9, 2026 |
| L | M. Bassols | 0 - 2 | Nov. 3, 2026 |
| L | V. Strakhova | 2 - 0 | Oct. 27, 2026 |
| L | D. Astakhova | 0 - 1 | Oct. 5, 2026 |
All Oct. 1, 2026 results & picks →