Petros Tsitsipas vs Oleksandr Ovcharenko Prediction (Aug 16, 2026)
Result: Oleksandr Ovcharenko won. We gave Oleksandr Ovcharenko 64% before the match, so our pick (Oleksandr Ovcharenko) was right.
Brier score (lower is better): ours 0.127, market six hours out 0.022.
| Our model | Oleksandr Ovcharenko 64% · Petros Tsitsipas 36% |
| Market price at our call | Oleksandr Ovcharenko 86% |
| Event | Challenger Sion · Hard |
| Scheduled start | Sun Aug 16, 2026, 01:00 PM ET |
| Call logged | 2026-08-16 03:20 UTC (before first serve) |
Every call we make is logged before the match and graded after it. See the live tennis board, the full match list and our public track record.
All Challenger Sion 2026 predictions
More matches on Aug 16:
- Michael Zheng vs Ugo Humbert
- Adam Walton vs Ignacio Buse
- Zizou Bergs vs Daniel Merida
- Francisco Cerundolo vs Nuno Borges
- Aleksandar Kovacevic vs Brandon Nakashima
- Joao Fonseca vs Botic van de Zandschulp
- Arthur Rinderknech vs Juan Manuel Cerundolo
- Ben Shelton vs Jaime Faria
- Daniil Medvedev vs Marco Trungelliti
- Casper Ruud vs Christopher O'Connell
- Frances Tiafoe vs Lorenzo Sonego
- Talia Gibson vs Aryna Sabalenka
- Viktorija Golubic vs Janice Tjen
- Anastasia Potapova vs Sloane Stephens
- Sofia Kenin vs Marta Kostyuk
- Mirra Andreeva vs Oleksandra Oliynykova
- Coco Gauff vs Liudmila Samsonova
- Elina Svitolina vs Tereza Valentova
- Ann Li vs Shuai Zhang
- Aziz Dougaz vs Hayato Matsuoka
- Marek Gengel vs Svyatoslav Gulin
- Andrej Martin vs Saba Purtseladze
- Jan Kumstat vs Marvin Moeller
- Alec Beckley vs Nerman Fatic
- Andre Ilagan vs Lloyd Harris
- Aidan Mayo vs Timo Legout
- Svyatoslav Gulin vs Jakub Paul
- Andrej Martin vs Boris Arias
Regulatory Disclosures, Safe-Harbor & Terms of Use
1. Analytical & Research Use Only: iPredictSport is a quantitative research platform publishing statistical estimates for educational, informational, and analytical purposes only. iPredictSport is not an investment adviser, commodity trading advisor (CTA), registered broker-dealer, or sports wagering operator. Nothing contained on this site, in our API, or in our newsletters constitutes financial advice, investment recommendations, or sports betting advice.
2. Hypothetical & Simulated Performance (CFTC Rule 4.41): Performance figures for our autonomous paper agent and proposed bet track records are simulated, hypothetical, and based on paper audits. Unlike an actual performance record, simulated results do not represent actual trading, may not reflect market liquidity, exchange slippage, or trading bans, and cannot account for psychological risk factors. No representation is made that any user will or is likely to achieve profits or losses similar to those shown. Past performance does not guarantee future results.
3. Market Risk & Capital Loss: Trading binary contracts on prediction markets (such as Kalshi or Polymarket) or placing sports wagers involves substantial financial risk, including the possible loss of 100% of staked capital. Odds and spreads fluctuate continuously. Users assume sole responsibility for their own trading decisions and bankroll sizing.
4. Responsible Gaming & Age Requirements: Fliff sweepstakes is available to legal residents aged 18+ in eligible states. Financial prediction exchanges (including Kalshi) require 18+, and commercial sportsbooks require 21+, subject to jurisdiction. If you or someone you know has a gambling problem and wants help, confidential crisis counseling and referral services can be accessed 24/7 by calling 1-800-GAMBLER (1-800-426-2537) or visiting ncpgambling.org.
5. Affiliate & Compensation Disclosure: iPredictSport may receive affiliate commissions, referral fees, or cost-per-acquisition (CPA) compensation from links to partners (including Fliff, Kalshi, and Polymarket) at no additional cost to you. For Fliff, attribution requires entry of promo code IPREDICT or IPSLIVE in the mobile app. Fliff is a sweepstakes sports product for adults 18+ and is void where prohibited by law (18 excluded states). This commercial compensation does not alter our objective quantitative probabilities, model outputs, or editorial gates.
Full text: Terms of Use · Disclaimer · Affiliate & Advertising Disclosure · Privacy Policy