Branislav Sekac defeated Efe Ustundag 6-4 6-0 in the India F6 round of 16 on hard. The upset overturned the form book — Efe Ustundag came in leading the head-to-head 1–0, but Branislav Sekac had been the form player, winning 3 of their last 4 on hard. Branislav Sekac claimed a first win over Efe Ustundag in two meetings, levelling the head-to-head at 1–1.
Sekac B. took it in straight sets.
Branislav Sekac beat Efe Ustundag 6-4 6-0. Umpiry, "Branislav Sekac vs Efe Ustundag — India F6 Round of 16", https://umpiry.com/match/2000-11-20/sekac-vs-ustundag-india-f6-r16?utm_source=cite (as of 20 November 2000).