TennisEdge's AI model finds no betting value in Z. Kulambayeva vs A-L. Friedsam (Parma on 2026-05-12) — the market is efficient, with A-L. Friedsam favoured at 1.50.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | Z. Kulambayeva | A-L. Friedsam |
|---|---|---|
| Elo ratings-based, surface-weighted |
58.1% | 41.9% |
| Machine learning 29-feature gradient-boosted model |
72.2% | 27.8% |
| Serve / return point-by-point simulation |
73.0% | 27.0% |
| Blend what the bot actually prices off |
67.8% | 32.2% |
| Market implied de-vigged from the opening odds |
37.5% | 62.5% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| Z. Kulambayeva | clay | 1487 | 107–69 | 176 |
| A-L. Friedsam | hard | 1564 | 84–70 | 154 |
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 28, 2026.
A-L. Friedsam leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 12, 2026 | Parma | clay | A-L. Friedsam | 2 - 0 |
| L | A. Lazaro Garcia | 0 - 2 | July 28, 2026 |
| L | L. Romero Gormaz | 2 - 0 | July 13, 2026 |
| W | L. Zaar | 2 - 0 | July 12, 2026 |
| L | L. S. Steur J. | 0 - 2 | July 9, 2026 |
| W | N. Brancaccio | 1 - 2 | July 8, 2026 |
| L | D. Salkova | 0 - 2 | July 30, 2026 |
| W | L. Zaar | 0 - 2 | July 28, 2026 |
| L | J. Pastikova | 1 - 2 | July 21, 2026 |
| L | M. Bassols | 2 - 0 | July 14, 2026 |
| L | D. Cherubini | 1 - 2 | July 8, 2026 |
All May 12, 2026 results & picks →
Math-only prediction: no LLM calls used