TennisEdge's AI model finds no betting value in J. Grabher vs R. Masarova (Contrexeville on 2026-07-06) — the market is efficient, with R. Masarova favoured at 1.41.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | J. Grabher | R. Masarova |
|---|---|---|
| Elo ratings-based, surface-weighted |
43.6% | 56.4% |
| Machine learning 29-feature gradient-boosted model |
48.5% | 51.4% |
| Serve / return point-by-point simulation |
40.9% | 59.1% |
| Blend what the bot actually prices off |
41.4% | 58.6% |
| Market implied de-vigged from the opening odds |
34.4% | 65.6% |
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. Grabher | clay | 1666 | 159–94 | 253 |
| R. Masarova | hard | 1641 | 85–62 | 147 |
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 July 13, 2026.
R. Masarova leads 2–0 over 2 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| July 6, 2026 | Contrexeville | clay | R. Masarova | 2 - 1 |
| March 29, 2022 | Marbella | clay | R. Masarova | 2 - 1 |
| L | A. Siskova | 0 - 2 | July 30, 2026 |
| W | L. S. Steur J. | 2 - 0 | July 28, 2026 |
| L | V. Wolff | 1 - 2 | July 24, 2026 |
| W | I. Primorac | 2 - 0 | July 23, 2026 |
| W | E. Perelygina | 2 - 0 | July 21, 2026 |
| L | V. Ryser | 1 - 0 | July 18, 2026 |
| L | C. Monnet | 2 - 1 | July 14, 2026 |
| L | F. Curmi | 0 - 2 | July 8, 2026 |
| W | J. Grabher | 1 - 2 | July 6, 2026 |
| L | J. Teichmann | 0 - 2 | June 23, 2026 |
All July 6, 2026 results & picks →
Math-only prediction: no LLM calls used