Challenger Series TT 03/22 08:40 - Rafael Turrini v Sven Happek - Cancelled
Challenger Series TT 03/21 19:10 - Reda Nemras v Sven Happek - Cancelled
Challenger Series TT 03/21 17:25 - Alvaro Gainza v Sven Happek - Cancelled
Challenger Series TT 03/21 15:40 - Sven Happek v Eusebio Vos - Cancelled
Challenger Series TT 03/21 13:20 - Sven Happek v Miguel Nunez Tapia - Cancelled
Challenger Series TT 03/21 11:35 - Sven Happek v Finn Luu - Cancelled
Challenger Series TT 03/21 09:15 - Mike Hollo v Sven Happek L 3-0
Challenger Series TT 03/19 08:10 - Norbert Tauler v Sven Happek L 3-1
Challenger Series TT 03/18 18:10 - Ronit Bhanja v Sven Happek W 1-3
Challenger Series TT 03/18 16:10 - Armin Alicic v Sven Happek L 3-1
Challenger Series TT 03/18 14:50 - Sven Happek v Amirreza Abbasi L 2-3
Challenger Series TT 03/18 12:50 - Sven Happek v Joon Shim L 1-3
Challenger Series TT 03/18 12:10 - Sven Happek v Louis Price - Cancelled
Challenger Series TT 03/18 09:30 - Damian Zech v Sven Happek W 2-3
Challenger Series TT 03/12 09:25 - Akos Kishegyi v Sven Happek W 1-3
Challenger Series TT 03/11 20:50 - Irvin Bertrand v Sven Happek L 3-0
Challenger Series TT 03/11 18:50 - Diego Lillo v Sven Happek W 2-3
Challenger Series TT 03/11 16:50 - Sven Happek v Mohammed Javad Sohrabi L 1-3
Challenger Series TT 03/11 14:10 - Sven Happek v Mike Hollo L 0-3
Challenger Series TT 03/11 12:10 - Sven Happek v Miguel Nunez Tapia L 1-3
Challenger Series TT 03/11 12:10 - Sven Happek v Alberto Lillo - Cancelled
Challenger Series TT 03/11 09:30 - Marco Stefanidis v Sven Happek L 3-0
Challenger Series TT 03/05 08:10 - Alexander Valuch v Sven Happek L 3-0
Challenger Series TT 03/04 18:50 - Dauud Cheaib v Sven Happek - Cancelled
Challenger Series TT 03/04 18:50 - Zhenlong Liu v Sven Happek W 2-3
Challenger Series TT 03/04 16:10 - Sven Happek v Nico Longhino L 2-3
Challenger Series TT 03/04 13:30 - Sven Happek v Pekka Pelz L 1-3
Challenger Series TT 03/04 12:10 - Sven Happek v Eusebio Vos W 3-2
Challenger Series TT 03/04 09:30 - Marius Henninger v Sven Happek L 3-0
Challenger Series TT 02/27 11:30 - Alexander Valuch v Sven Happek L 3-1