TennisEdge's AI bot is backing Under 21.5 games at 1.76 in A. Aksu vs L. Stefanini (Samsun on 2026-10-11). Result: LOST.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | A. Aksu | L. Stefanini |
|---|---|---|
| Elo ratings-based, surface-weighted |
29.5% | 70.5% |
| Machine learning 29-feature gradient-boosted model |
19.1% | 80.9% |
| Serve / return point-by-point simulation |
58.2% | 41.8% |
| Blend what the bot actually prices off |
35.6% | 64.4% |
| Market implied de-vigged from the opening odds |
27.8% | 72.2% |
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. Aksu | hard | 1647 | 97–75 | 172 |
| L. Stefanini | hard | 1722 | 135–88 | 223 |
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 Oct. 30, 2026.
Level at 2–2 over 4 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| Oct. 29, 2026 | Courmayeur (Italy) - Qualification | hard | A. Aksu | 2 - 1 |
| Oct. 11, 2026 | Samsun | hard | A. Aksu | 2 - 1 |
| Aug. 24, 2026 | US Open | hard | L. Stefanini | 2 - 0 |
| Aug. 30, 2023 | ITF W60 Collonge-Bellerive Women | clay | L. Stefanini | 2 - 0 |
| L | N. Noha Akugue | 0 - 2 | Oct. 30, 2026 |
| W | L. Stefanini | 1 - 2 | Oct. 29, 2026 |
| W | L. Zaar | 0 - 2 | Oct. 26, 2026 |
| L | D. Hewitt | 2 - 0 | Oct. 21, 2026 |
| W | L. Stefanini | 2 - 1 | Oct. 11, 2026 |
| L | A. Zakharova | 1 - 0 | Nov. 6, 2026 |
| W | S. Waltert | 0 - 2 | Nov. 5, 2026 |
| W | R. Zolotareva | 0 - 2 | Nov. 3, 2026 |
| L | A. Aksu | 1 - 2 | Oct. 29, 2026 |
| W | I. M. Serban | 2 - 0 | Oct. 27, 2026 |
All Oct. 11, 2026 results & picks →