Nicolas Santos defeated Christian Lindell 6-4 6-2 in the Brazil F3 qualifying round on clay. The upset overturned the form book — Christian Lindell came in leading the head-to-head 2–0, but Nicolas Santos had been the form player, winning 5 of their last 9 on clay. Nicolas Santos claimed a first win over Christian Lindell in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-23 | Brazil F1 | R16 | clay | Christian Lindell | 7-6(2) 6-4 |
| 2010-10-11 | Brazil F28 | QF | clay | Christian Lindell | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.