Oscar Martinez Dieguez defeated Carlos Martinez Comet 7-6 6-4 in the Spain 3 3 round of 32 on clay. The upset overturned the form book — Carlos Martinez Comet came in leading the head-to-head 3–2, but Oscar Martinez Dieguez had been the form player, winning 5 of their last 9 on clay. That levelled the head-to-head at 3–3.
Martinez Dieguez O. took it in straight sets.
Oscar Martinez Dieguez beat Carlos Martinez Comet 7-6(7) 6-4. Umpiry, "Oscar Martinez Dieguez vs Carlos Martinez Comet — Spain 3 3 Round of 32", https://umpiry.com/match/2000-03-06/comet-vs-dieguez-spain-3-3-r32?utm_source=cite (as of 6 March 2000).