Victor Sendin defeated Mark Joachim 7-5 6-1 in the Spain 4 Masters 1 qualifying round on clay. The upset overturned the form book — Mark Joachim came in leading the head-to-head 1–0. Victor Sendin claimed a first win over Mark Joachim in two meetings, levelling the head-to-head at 1–1.
Sendin V. took it in straight sets.
Victor Sendin beat Mark Joachim 7-5 6-1. Umpiry, "Victor Sendin vs Mark Joachim — Spain 4 Masters 1 Qualifying Round", https://umpiry.com/match/1999-04-09/joachim-vs-sendin-spain-4-masters-1-qf?utm_source=cite (as of 9 April 1999).