TennisEdge's AI model finds no betting value in K. Rinaldo Persson vs A. Voloshchuk (Caldas da Rainha on 2026-09-15) — the market is efficient, with A. Voloshchuk favoured at 1.75.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | K. Rinaldo Persson | A. Voloshchuk |
|---|---|---|
| Elo ratings-based, surface-weighted |
47.4% | 52.6% |
| Machine learning 29-feature gradient-boosted model |
46.0% | 54.0% |
| Serve / return point-by-point simulation |
69.0% | 31.0% |
| Blend what the bot actually prices off |
54.1% | 45.9% |
| Market implied de-vigged from the opening odds |
46.4% | 53.6% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| K. Rinaldo Persson | hard | 1474 | 37–26 | 63 |
| A. Voloshchuk | hard | 1537 | 53–52 | 105 |
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 Aug. 25, 2026.
| L | L. Radivojevic | 2 - 0 | Aug. 25, 2026 |
| L | E. Bennemann | 1 - 1 | July 30, 2026 |
| W | I. Wobker | 0 - 2 | July 29, 2026 |
| L | B. Zeltina | 2 - 1 | July 22, 2026 |
| W | M. Lombardini | 0 - 2 | July 21, 2026 |
| W | A. Arseneault | 2 - 0 | Sept. 14, 2026 |
| W | T. Franco Dias | 2 - 0 | Sept. 13, 2026 |
| L | A. Ito | 0 - 2 | Sept. 11, 2026 |
| W | J. Chan | 0 - 2 | Sept. 10, 2026 |
| W | H. Klugman | 0 - 2 | Sept. 9, 2026 |
All Sept. 15, 2026 results & picks →