Chun-hsin Tseng def. Thiago Monteiro 6(4)-7(7), 6-3, 7(7)-6(4) — Rio Open 2025 R16

Chun-hsin Tseng defeated Thiago Monteiro 6(4)-7(7), 6-3, 7(7)-6(4) in the R16 of the Rio Open 2025.

Head-to-head

Thiago Monteiro and Chun-hsin Tseng have met 1 time, with Chun-hsin Tseng leading the head-to-head 1–0.