Yuichi Sugita defeated Konstantin Kravchuk 6-2 6-3 in the Chennai qualifying round on hard. The upset overturned the form book — Konstantin Kravchuk came in leading the head-to-head 1–0. Yuichi Sugita claimed a first win over Konstantin Kravchuk in two meetings, levelling the head-to-head at 1–1.
Sugita Y. took it in straight sets.
Hard: Sugita Y. leads 1–0 · Clay: Kravchuk K. leads 1–0
Yuichi Sugita beat Konstantin Kravchuk 6-2 6-3. Umpiry, "Yuichi Sugita vs Konstantin Kravchuk — Chennai Qualifying Round", https://umpiry.com/match/2011-01-03/kravchuk-vs-sugita-chennai-qf?utm_source=cite (as of 3 January 2011).