TennisEdge's AI model finds no betting value in J. Teichmann vs J. Grabher (Rabat on 2026-05-18) — the market is efficient, with J. Grabher favoured at 1.83.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | J. Teichmann | J. Grabher |
|---|---|---|
| Elo ratings-based, surface-weighted |
36.9% | 63.1% |
| Machine learning 29-feature gradient-boosted model |
28.6% | 71.4% |
| Serve / return point-by-point simulation |
44.5% | 55.5% |
| Blend what the bot actually prices off |
36.7% | 63.3% |
| Market implied de-vigged from the opening odds |
48.2% | 51.8% |
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. Teichmann | clay | 1710 | 75–49 | 124 |
| J. Grabher | clay | 1666 | 159–94 | 253 |
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 May 31, 2026.
J. Grabher leads 2–1 over 3 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 18, 2026 | Rabat | clay | J. Teichmann | 2 - 0 |
| May 12, 2023 | WTA Rome | clay | J. Grabher | 2 - 1 |
| April 20, 2022 | Istanbul | clay | J. Grabher | 2 - 0 |
| L | B. Andreescu | 2 - 1 | June 24, 2026 |
| W | R. Masarova | 0 - 2 | June 23, 2026 |
| L | D. Vidmanova | 2 - 1 | June 19, 2026 |
| W | B. Palicova | 1 - 2 | June 17, 2026 |
| W | M. Jorge | 0 - 2 | June 16, 2026 |
| 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 |
All May 18, 2026 results & picks →
Math-only prediction: no LLM calls used