Thiago Cigarran defeated Santiago Bramajo 6-3 4-6 6-4 in the M15 Lujan 1 round of 16 on clay. The upset overturned the form book — Santiago Bramajo came in leading the head-to-head 2–0, but Thiago Cigarran had been the form player, winning 8 of their last 10 on clay. Thiago Cigarran claimed a first win over Santiago Bramajo in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-02-21 | M15 Tucuman 1 | Q16 | clay | Santiago Bramajo | 6-2 6-3 |
| 2020-03-02 | M25 Hurlingham 1 | Q64 | clay | Santiago Bramajo | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.