

Marc Polmans defeated James Duckworth 6-4 2-6 6-4 in the Busan CH round of 32 on hard. The upset overturned the form book — James Duckworth came in ranked #82.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
No previous meetings on record.
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.