Ti Chen defeated Pirmin Haenle 7-6 7-5 in the Turkey F51 qualifying round on hard.
Chen T. took it in straight sets.
Ti Chen beat Pirmin Haenle 7-6(3) 7-5. Umpiry, "Ti Chen vs Pirmin Haenle — Turkey F51 Qualifying Round", https://umpiry.com/match/2013-12-23/chen-vs-haenle-turkey-f51-qf?utm_source=cite (as of 23 December 2013).