TennisEdge's AI model finds no betting value in A-L. Friedsam vs T. Zidansek (French Open on 2026-05-20) — the market is efficient, with T. Zidansek favoured at 1.53.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | A-L. Friedsam | T. Zidansek |
|---|---|---|
| Elo ratings-based, surface-weighted |
25.2% | 74.8% |
| Machine learning 29-feature gradient-boosted model |
22.6% | 77.4% |
| Serve / return point-by-point simulation |
31.5% | 68.5% |
| Blend what the bot actually prices off |
26.4% | 73.6% |
| Market implied de-vigged from the opening odds |
39.2% | 60.8% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| A-L. Friedsam | hard | 1564 | 84–70 | 154 |
| T. Zidansek | clay | 1711 | 105–59 | 164 |
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 March 26, 2026.
A-L. Friedsam leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 20, 2026 | French Open | clay | A-L. Friedsam | 2 - 0 |
| 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 |
| L | A. Ibragimova | 1 - 2 | July 21, 2026 |
| L | P. Badosa | 2 - 1 | July 18, 2026 |
| W | P. Marcinko | 2 - 0 | July 17, 2026 |
| W | A. Bondar | 1 - 2 | July 15, 2026 |
| W | E. Arango | 1 - 2 | July 14, 2026 |
All May 20, 2026 results & picks →
Zidansek possesses a massive 189-point Clay ELO advantage (1796 vs 1607) over Friedsam, confirming her status as a specialist on this surface while Friedsam struggles on clay.