Jose Checa Calvo defeated Pedro Martinez 6-1 4-6 6-3 in the Spain F23 qualifying round on clay. The upset overturned the form book — Pedro Martinez came in leading the head-to-head 1–0. Jose Checa Calvo claimed a first win over Pedro Martinez in two meetings, levelling the head-to-head at 1–1.
Checa Calvo J. came through in three sets.
Jose Checa Calvo beat Pedro Martinez 6-1 4-6 6-3. Umpiry, "Jose Checa Calvo vs Pedro Martinez — Spain F23 Qualifying Round", https://umpiry.com/match/2015-07-27/calvo-vs-martinez-spain-f23-qf?utm_source=cite (as of 27 July 2015).