Daniel Altmaier defeated Sebastian Ofner 1-6 6-4 6-4 in the Qatar F4 semi-final on hard. The result followed the form book — Daniel Altmaier came in ranked #67.
Altmaier D. came through in three sets.
Daniel Altmaier beat Sebastian Ofner 1-6 6-4 6-4. Umpiry, "Daniel Altmaier vs Sebastian Ofner — Qatar F4 Semi-final", https://umpiry.com/match/2016-11-28/altmaier-vs-ofner-qatar-f4-sf?utm_source=cite (as of 28 November 2016).