Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Nakhon Si Thammarat | 2023/06/14 02:00 | Kalovelonis, Markos v Finn Reynolds | 3-6,6-4,3-6 |
| ITF M25 Jakarta | 2023/06/08 02:00 | Kalovelonis, Markos v Singh, Digvijaypratap | 3-6,6-3,3-6 |
| ITF M25 Jakarta | 2023/06/07 03:30 | Eric Padgham v Kalovelonis, Markos | 6-7,6-7 |
| ITF M25 Jakarta | 2023/06/01 02:25 | Hiroki Moriya v Kalovelonis, Markos | 7-6,6-2 |
| ITF M25 Jakarta | 2023/05/31 03:00 | Kalovelonis, Markos v Eric Padgham | 7-6,6-7,6-3 |
| ITF - M15 Alaminos-Larnaca | 2023/05/09 07:00 | Kalovelonis, Markos v Vlad Andrei Dancu | 3-6,6-1,6-7 |
| ITF - M15 Héraklion | 2023/03/16 08:20 | Andrea Picchione v Kalovelonis, Markos | 6-3,6-1 |
| ITF - M15 Héraklion | 2023/03/15 09:50 | Kalovelonis, Markos v Jonathan Baron | 6-4,5-7,6-2 |
| Coupe Davis | 2023/07/29 06:05 | Chathurya Nilaweera v Mitsuki Wei Kang Leong | 6-7,0-6 |
| Coupe Davis | 2023/07/28 05:45 | Mitsuki Wei Kang Leong v Tep, Timothy | 6-3,6-1 |
| Coupe Davis | 2023/07/27 06:10 | Karam Hatamleh v Mitsuki Wei Kang Leong | 1-6,4-6 |
| Coupe Davis | 2023/07/26 08:00 | Colin Sinclair v Mitsuki Wei Kang Leong | 6-2,2-6,6-7 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/18 02:00 | Yuttana Charoenphon v Mitsuki Wei Kang Leong | 7-6,2-6,6-3 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/10 02:00 | Mitsuki Wei Kang Leong v Sornlaksup, Pawit | 6-3,5-7,6-10 |
| ITF - M15 Nakhon Si Thammarat - Qualif. | 2023/07/09 04:50 | Mitsuki Wei Kang Leong v Teerapat Khantiweerawat | 6-0,6-3 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/03 06:00 | Mitsuki Wei Kang Leong v Patrik Oplustil | 6-7,5-7 |