M. Sasikumar defeated Sanam Singh 6-3 6-1 in the India F4 quarter-final on clay. The upset overturned the form book — Sanam Singh came in leading the head-to-head 1–0. M. Sasikumar claimed a first win over Sanam Singh in two meetings, levelling the head-to-head at 1–1.
Sasikumar M. took it in straight sets.
Clay: Sasikumar M. leads 1–0 · Hard: Singh S. leads 1–0
M. Sasikumar beat Sanam Singh 6-3 6-1. Umpiry, "M. Sasikumar vs Sanam Singh — India F4 Quarter-final", https://umpiry.com/match/2016-09-08/sasikumar-vs-singh-india-f4-qf?utm_source=cite (as of 8 September 2016).