TennisEdge's AI model finds no betting value in J. Ostapenko vs A. Anisimova (Rome on 2026-05-07) — the market is efficient, with A. Anisimova favoured at 1.55.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | J. Ostapenko | A. Anisimova |
|---|---|---|
| Elo ratings-based, surface-weighted |
59.8% | 40.2% |
| Machine learning 29-feature gradient-boosted model |
73.0% | 27.0% |
| Blend what the bot actually prices off |
66.4% | 33.6% |
| Market implied de-vigged from the opening odds |
38.8% | 61.2% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| J. Ostapenko | hard | 1767 | 88–73 | 161 |
| A. Anisimova | hard | 1994 | 90–46 | 136 |
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 March 23, 2026.
Level at 1–1 over 2 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| Feb. 15, 2025 | Doha | hard | A. Anisimova | 2 - 0 |
| Feb. 22, 2022 | Doha | hard | J. Ostapenko | 2 - 1 |
| L | A. Sabalenka | 2 - 0 | July 3, 2026 |
| W | A. Ruzic | 2 - 0 | July 1, 2026 |
| W | H. Dart | 2 - 1 | June 29, 2026 |
| L | T. Maria | 1 - 0 | June 26, 2026 |
| W | Z. Sonmez | 2 - 0 | June 25, 2026 |
| L | M. Keys | 1 - 2 | July 4, 2026 |
| W | S. Kenin | 2 - 1 | July 2, 2026 |
| W | L. Gjorcheska | 2 - 0 | June 30, 2026 |
| L | I. Jovic | 2 - 1 | June 12, 2026 |
| W | L. Siegemund | 0 - 2 | June 10, 2026 |
All May 7, 2026 results & picks →
Math-only prediction: no LLM calls used