Nidhi Chilumula defeated Sharmada Balu 6-2 6-1 in the New Delhi 10K round of 32 on hard. The upset overturned the form book — Sharmada Balu came in leading the head-to-head 4–1. Nidhi Chilumula narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-12-02 | Pune 25K | R32 | hard | Sharmada Balu | 6-1 2-6 6-1 |
| 2013-02-18 | Muzaffarnagar 25K | R32 | grass | Nidhi Chilumula | 7-5 6-0 |
| 2012-05-07 | New Delhi 10K | R32 | hard | Sharmada Balu | 6-4 6-1 |
| 2011-04-04 | Lucknow 10K | R16 | grass | Sharmada Balu | 7-5 6-0 |
| 2010-11-29 | Mandya 10K | R16 | hard | Sharmada Balu | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.