Felipe Meligeni Alves and Valerio Aboian meet in the semifinal at Cali on Saturday. Felipe Meligeni Alves has won 3 in a row and 6 of the last 10 overall. Valerio Aboian has won 3 in a row and 6 of the last 10 overall.

The serve is where this match separates: Alves has been winning 69.8% of first-serve points to Aboian's 64.4%, and on clay that gap compounds fast. Alves comes in off a compressed schedule; Aboian comes in off a compressed schedule. Alves should have enough here, though Aboian has the tools to make the scoreboard uncomfortable.