Stadium: Court Central Hard Round: 25 Ground: Hardcourt outdoor
| Challenger - Pune | 2019/11/13 05:30 | Ramkumar Ramanathan v Kalovelonis, Markos | 6-3,6-4 |
| Challenger - Pune | 2019/11/12 05:30 | Kalovelonis, Markos v Prashanth, N. Vijay Sundar | 6-2,6-4 |
| ITF - M15 Héraklion | 2019/11/07 07:30 | Kalovelonis, Markos v Pedro Vives Marcos | 6-4,6-7,4-6 |
| ITF - M15 Héraklion | 2019/11/06 10:30 | Alexandar Lazarov v Kalovelonis, Markos | 6-1,5-7,3-6 |
| ITF - M15 Antalya | 2019/10/10 09:05 | Kalovelonis, Markos v Aleksandre Bakshi | 6-4,2-6,3-6 |
| ITF - M15 Antalya | 2019/10/09 07:00 | Alexander Shevchenko v Kalovelonis, Markos | 6-3,6-7,4-6 |
| Jounieh, Singles M-ITF-LBN-02A | 2019/10/02 17:40 | Filip, Vladimir v Kalovelonis, Markos | 4-6,6-4,6-3 |
| Jounieh, Singles M-ITF-LBN-02A | 2019/09/26 14:55 | Kalovelonis, Markos v Moundir, Adam | 0-6,3-6 |
| ITF - M15 Héraklion | 2019/11/12 11:45 | Pedro Vives Marcos v Bothwell, Peter | 6-2,7-6 |
| ITF - M15 Héraklion | 2019/11/06 09:25 | Bothwell, Peter v Lodewijk Weststrate | 0-6,2-6 |
| Fayetteville, AR, Singles Qualifying, M-ITF-USA-31 | 2019/10/23 21:00 | Bothwell, Peter v Redlicki, Michael | 1-6,6-3,1-6 |
| Waco, Singles M-ITF-USA-41A | 2019/10/13 17:30 | Bothwell, Peter v Roldan, Eduardo | 6-7,6-7 |
| ITF M25 Norman | 2019/09/29 15:00 | Bothwell, Peter v Stalder, Reese | 3-6,4-6 |
| ITF M25 Harlingen | 2019/09/25 15:30 | Bothwell, Peter v Gray, Jonathan | 6-3,4-6,4-6 |
| Houston, Singles Qualifying M-ITF-USA-28A | 2019/09/18 23:30 | Bothwell, Peter v Farren, Connor | 4-6,3-6 |
| ITF M15 Sintra | 2019/08/20 10:00 | Shumeiko, Pavel v Bothwell, Peter | 3-6,6-4,6-3 |