Home › Prediction Markets › Other Prediction Markets › Karen Khachanov vs. Learner Tien: Total Sets O/U 4.5 Karen Khachanov vs. Learner Tien: Total Sets O/U 4.5 Karen Khachanov vs. Learner Tien: Total Sets O/U 4.5. It is currently trading at a 48% probability on Polymarket. Reported volume is $201. Scheduled resolution: September 14, 2026. Last updated September 7, 2026 at 8:21 PM ET Current Market Probability Probability Price Volume Liquidity Platform Status Resolution date Chart 48% 0.48 $201 $214 Polymarket Open September 14, 2026 Market Information Category Event Source Other Prediction Markets US Open ATP: Karen Khachanov vs Learner Tien View on Polymarket Historical Market Probability Current 48% Related Prediction Markets US Open ATP: Completed Match: Karen Khachanov vs Learner Tien US Open ATP: Karen Khachanov vs Learner Tien Set 4 Winner: Khachanov vs Tien Khachanov vs. Tien: Set 3 Games O/U 9.5 Khachanov vs. Tien: Set 3 Games O/U 10.5 Khachanov vs. Tien: Set 4 Games O/U 8.5 Khachanov vs. Tien: Set 4 Games O/U 9.5 Khachanov vs. Tien: Set 4 Games O/U 10.5 Popular Prediction Markets Will Adanech Abiebie be the next Prime Minister of Ethiopia? Will Jesus Christ return before 2027? Will the U.S. invade Iran before 2027? Will Gedion Timothewos be the next Prime Minister of Ethiopia? Will LeBron James win the 2028 US Presidential Election?