TennisEdge's AI model finds no betting value in A. Parks vs S. Bejlek (Guadalajara on 2026-09-15) — the market is efficient, with S. Bejlek favoured at 1.24.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | A. Parks | S. Bejlek |
|---|---|---|
| Elo ratings-based, surface-weighted |
27.8% | 72.2% |
| Machine learning 29-feature gradient-boosted model |
33.4% | 66.6% |
| Serve / return point-by-point simulation |
43.7% | 56.3% |
| Blend what the bot actually prices off |
35.0% | 65.0% |
| Market implied de-vigged from the opening odds |
22.6% | 77.4% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
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 Sept. 13, 2026.
S. Bejlek leads 2–0 over 2 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| July 23, 2025 | Livesport Prague Open | clay | S. Bejlek | 2 - 0 |
| Jan. 11, 2023 | Australian Open | hard | S. Bejlek | 2 - 1 |
| W | V. Lepchenko | 2 - 1 | Sept. 13, 2026 |
| L | T. Preston | 2 - 0 | Aug. 30, 2026 |
| L | A. Li | 0 - 2 | Aug. 27, 2026 |
| W | M. Chwalinska | 1 - 2 | Aug. 27, 2026 |
| W | P. Marcinko | 2 - 1 | Aug. 24, 2026 |
| L | C. Bucsa | 1 - 2 | Aug. 31, 2026 |
| L | C. Gauff | 0 - 2 | Aug. 23, 2026 |
| W | M. Keys | 2 - 1 | Aug. 21, 2026 |
| W | A. Sabalenka | 0 - 2 | Aug. 20, 2026 |
| W | E. Alexandrova | 2 - 1 | Aug. 18, 2026 |
All Sept. 15, 2026 results & picks →