Yunseong Chung vs J. Roddick — M25 Sapporo Quarter-final
Chung Y.
John Roddick advanced to the M25 Sapporo semifinals with a 6-3, 6-4 win over Yunseong Chung in the quarterfinals. Roddick converted two of eight break points and won two service breaks in the match. Both players hit one ace, with Roddick committing one double fault to Chung's none.
Generated automatically from Umpiry match data.
Key context
- Match story: J. Roddick closed it out in two sets, 6–3 6–4.
Head to head
No previous meetings on record.
Statistics
This seasonAverages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Win Probability
Pre-match · updated 00:50 UTC50–58%
58–67%
67–80%
80%+
Strong favourite · Chung Y. heavily favoured
Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.