Davy Sum defeated Constantin Belot 5-7 7-5 6-2 in the Hong Kong F3 round of 32 on hard.
Sum D. came through in three sets.
Davy Sum beat Constantin Belot 5-7 7-5 6-2. Umpiry, "Davy Sum vs Constantin Belot — Hong Kong F3 Round of 32", https://umpiry.com/match/2012-12-17/belot-vs-sum-hong-kong-f3-r32?utm_source=cite (as of 17 December 2012).