Ivan Gakhov defeated Pedro Martinez 6-4 7-5 in the Spain F1 round of 16 on clay. The upset overturned the form book — Pedro Martinez came in ranked #130.
Gakhov I. took it in straight sets.
Ivan Gakhov beat Pedro Martinez 6-4 7-5. Umpiry, "Ivan Gakhov vs Pedro Martinez — Spain F1 Round of 16", https://umpiry.com/match/2014-02-03/gakhov-vs-martinez-spain-f1-r16?utm_source=cite (as of 3 February 2014).