Yuki Bhambri defeated Sanam Singh 6-1 6-3 in the India F1 qualifying round on hard. The upset overturned the form book — Sanam Singh came in leading the head-to-head 1–0. Yuki Bhambri claimed a first win over Sanam Singh in two meetings, levelling the head-to-head at 1–1.
Bhambri Y. took it in straight sets.
Yuki Bhambri beat Sanam Singh 6-1 6-3. Umpiry, "Yuki Bhambri vs Sanam Singh — India F1 Qualifying Round", https://umpiry.com/match/2017-02-13/bhambri-vs-singh-india-f1-qf?utm_source=cite (as of 13 February 2017).