ITF M25 - Klosters 06/21 10:45 25 Gian Gruenig v Filippo Speziali 3-6,3-6
ITF M25 - Klosters 06/20 07:00 54 Facundo Yunis v Gian Gruenig 2-6,3-6
ITF M25 - Klosters 06/19 08:55 54 Gian Gruenig v Noel Larwig 7-6,6-2
ITF M25 - Sierre 08/31 15:10 25 Gian Gruenig v Florent Bax 1-6,2-6
ITF M25 - Sierre 08/30 09:25 54 Gian Gruenig v Maxence Ginefri 6-3,6-2
ITF M25 - Sierre 08/29 12:05 54 Benjamin Ginefri v Gian Gruenig 2-6,2-6
Swiss Tennis Masters 07/05 12:30 1 Marc-Andrea Huesler v Gian Gruenig 6-1,6-3
Swiss Tennis Masters 07/04 10:30 1 Gian Gruenig v Yannik Steinegger 7-5,3-6,0-6
Swiss Tennis Masters 07/03 15:00 1 Luca Margaroli v Gian Gruenig 6-4,3-6,2-6
Swiss Tennis Masters 07/01 13:00 1 Raphael Baltensperger v Gian Gruenig 6-4,6-2
ITF M25 Schlieren 08/19 08:00 54 Gian Gruenig v Thomas Setodji 7-5,2-6,4-10
ITF Germany F14 09/30 07:00 44 Gian Gruenig v Laurin Aerne 4-6,2-6
ITF Switzerland F5 09/02 10:30 44 Gian Gruenig v Anton Chekhov 6-7,3-6
ITF Switzerland F1 Qual 02/03 09:00 44 Alexander Wolfschmidt v Gian Gruenig 7-6,0-6,7-6
ITF Switzerland F4 Qual 08/20 08:30 44 Quentin Folliot v Gian Gruenig 7-6,6-2
ITF Switzerland F4 Qual 08/19 07:00 44 Gian Gruenig v Gabriel Currlin 6-4,6-2
ITF Switzerland F3 Qual 08/12 09:00 44 Maxence Beauge v Gian Gruenig 7-5,6-4
ITF Switzerland F3 Qual 08/12 07:00 44 Sebastian Eguez v Gian Gruenig 6-7,4-6
ITF Switzerland F4 Qual 08/20 12:45 44 Gian Gruenig v Luca Castelnuovo 4-6,2-6
ITF Switzerland F4 Qual 08/20 07:00 44 Federico Juan Aguilar v Gian Gruenig 2-6,6-2,1-6