Daniel Altmaier defeated David Guez 6-3 3-6 6-1 in the Qatar F2 qualifying round on hard.
Altmaier D. came through in three sets.
Daniel Altmaier beat David Guez 6-3 3-6 6-1. Umpiry, "Daniel Altmaier vs David Guez — Qatar F2 Qualifying Round", https://umpiry.com/match/2017-04-10/altmaier-vs-guez-qatar-f2-qf?utm_source=cite (as of 10 April 2017).