TennisEdge's AI model finds no betting value in J. Grabher vs M. Bolkvadze (Wimbledon on 2026-06-23) — the market is efficient, with J. Grabher favoured at 1.68.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | J. Grabher | M. Bolkvadze |
|---|---|---|
| Elo ratings-based, surface-weighted |
24.7% | 75.3% |
| Machine learning 29-feature gradient-boosted model |
47.7% | 52.3% |
| Blend what the bot actually prices off |
42.3% | 57.7% |
| Market implied de-vigged from the opening odds |
54.6% | 45.4% |
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 |
| M. Bolkvadze | hard | 1555 | 111–84 | 195 |
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.
Level at 1–1 over 2 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| June 23, 2026 | Wimbledon | grass | M. Bolkvadze | 2 - 0 |
| Oct. 14, 2020 | W25 Cherbourg-en-Cotentin | hard | J. Grabher | 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 | D. Kasatkina | 2 - 1 | July 25, 2026 |
| L | A. Krueger | 0 - 2 | July 2, 2026 |
| W | A. Tomljanovic | 1 - 2 | June 30, 2026 |
| W | J. Vandromme | 2 - 1 | June 25, 2026 |
| W | H. Kinoshita | 2 - 0 | June 24, 2026 |
All June 23, 2026 results & picks →
Math-only prediction: no LLM calls used