Yen Hsun Lu defeated Somdev Devvarman 6-3 6-4 in the Chennai round of 32 on hard. The upset overturned the form book — Somdev Devvarman came in leading the head-to-head 1–0, but Yen Hsun Lu had been the form player, winning 1 of their last 7 on hard. Yen Hsun Lu claimed a first win over Somdev Devvarman in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-06 | Davis Cup G1 R2: TPE vs IND | RR | hard | Somdev Devvarman | 6-1 6-2 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (181 vs 50). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About