ITF M15 Nakhon Si Thammarat 02/26 02:00 54 Thanapet Chanta v Guntinun Sootinun-Opart 6-2,6-2
ITF M15 Nakhon Si Thammarat Qual 02/25 02:00 54 Guntinun Sootinun-Opart v Aaron Cohen 1-6,6-1,10-8
ITF M15 Nakhon Si Thammarat 07/02 02:00 54 Guntinun Sootinun-Opart v Thanapet Chanta 1-6,4-6
ITF M25 Nakhon Si Thammarat 06/12 02:00 54 Ryotaro Taguchi v Guntinun Sootinun-Opart 6-4,6-3
ITF M25 Nakhon Si Thammarat 06/11 02:00 54 Anapat Timangkul v Guntinun Sootinun-Opart 6-7,3-6
ITF M15 Nakhon Si Thammarat Qual 06/04 01:55 54 Guntinun Sootinun-Opart v Pawit Sornlaksup 4-6,1-6
ITF M15 Nakhon Si Thammarat 05/28 01:50 54 Julien De Cuyper v Guntinun Sootinun-Opart 6-3,6-4
ITF M15 Chiang Rai 06/21 03:20 44 Rishi Reddy v Guntinun Sootinun-Opart 6-3,6-0
ITF M15 Chiang Rai 06/20 05:45 44 Guntinun Sootinun-Opart v Poonthong Komopisut 6-1,6-0
ITF M15 Chiang Rai Qual 06/19 02:00 44 Guntinun Sootinun-Opart v Chandril Sood 6-2,6-2
ITF M15 Chiang Rai 06/14 01:55 44 Guntinun Sootinun-Opart v Thantub Suksumrarn 1-6,2-6
ITF M15 Chiang Rai 06/13 02:00 44 Chuhan Wang v Guntinun Sootinun-Opart 3-6,6-3,10-12
ITF M15 Chiang Rai 06/12 05:05 44 Pumiphat Sukkho v Guntinun Sootinun-Opart 3-6,1-6
ITF M25 Chiang Rai 06/07 03:55 44 Pawit Sornlaksup v Guntinun Sootinun-Opart 6-2,6-3
ITF M25 Chiang Rai Qual 06/06 03:25 44 Guntinun Sootinun-Opart v Christian Didier Chin Retired
ITF M25 Chiang Rai Qual 06/05 02:00 44 Patorn Hanchaikul v Guntinun Sootinun-Opart 4-6,6-2,7-10
ITF M25 Chiang Rai 06/01 06:00 25 Guntinun Sootinun-Opart v Kasidit Samrej 2-6,5-7
ITF M25 Chiang Rai 05/31 04:15 44 Arjun Mehrotra v Guntinun Sootinun-Opart 4-6,6-3,8-10
ITF M25 Chiang Rai 05/30 04:25 44 Panathon Sooksod v Guntinun Sootinun-Opart 2-6,2-6
ITF M15 Chiang Rai 04/12 02:00 44 Guntinun Sootinun-Opart v Taisei Ichikawa 5-7,0-6
ITF M15 Chiang Rai 04/11 03:50 44 Maxence Broville v Guntinun Sootinun-Opart 2-6,6-3,4-10
ITF M15 Chiang Rai Qual 04/10 03:00 44 Teerapat Khantiweerawat v Guntinun Sootinun-Opart 3-6,1-6
ITF M15 Chiang Rai 04/04 03:35 44 Amaury Raynel v Guntinun Sootinun-Opart 7-6,6-7,10-4