Simon Stadler defeated Izak Van Der Merwe 3-6 6-2 6-2 in the San Jose qualifying round of 32 on hard. The upset overturned the form book — Izak Van Der Merwe came in defending last year's round of 32, but Simon Stadler had been the form player, winning 3 of their last 6 on hard.
Stadler S. came through in three sets.
Simon Stadler beat Izak Van Der Merwe 3-6 6-2 6-2. Umpiry, "Simon Stadler vs Izak Van Der Merwe — San Jose Qualifying Round of 32", https://umpiry.com/match/2013-02-09/merwe-vs-stadler-san-jose-q32?utm_source=cite (as of 9 February 2013).