Vishnu Vardhan defeated Ashutosh Singh 7-5 6-3 in the India F6 round of 16 on hard. The upset overturned the form book — Ashutosh Singh came in leading the head-to-head 1–0, but Vishnu Vardhan had been the form player, winning 5 of their last 10 on hard. Vishnu Vardhan claimed a first win over Ashutosh Singh in two meetings, levelling the head-to-head at 1–1.
Vardhan V. took it in straight sets.
Vishnu Vardhan beat Ashutosh Singh 7-5 6-3. Umpiry, "Vishnu Vardhan vs Ashutosh Singh — India F6 Round of 16", https://umpiry.com/match/2009-07-06/singh-vs-vardhan-india-f6-r16?utm_source=cite (as of 6 July 2009).