| Orleans Masters 2019, MS, Qualification | 03/12 10:00 | 4 | 파나린, 드미트리 v Alcala, Mark Shelley | - | Cancelled | |
| Uganda Int. | 02/22 07:30 | - | Alcala, Mark Shelley v Viren Nettasinghe | W | 2-1 | |
| Thailand Masters 2020, MS, Qualification | 01/30 03:05 | 4 | Alcala, Mark Shelley v 성, 주 벤 | L | 1-2 | |
| Swedish Open | 01/19 09:20 | - | Alcala, Mark Shelley v Muhammad, Andi Fadel | L | 0-2 | |
| Estonian Int. | 01/12 15:20 | - | Paul, Georges J. v Alcala, Mark Shelley | L | 2-1 | |
| Estonian Int. | 01/12 11:05 | - | Kim Linell v Alcala, Mark Shelley | W | 0-2 | |
| KL Masters | 10/31 10:10 | 6 | Alcala, Mark Shelley v Sholeh Aidil | L | 0-2 | |
| Indonesia Masters | 10/26 09:20 | 4 | Alcala, Mark Shelley v Tanaka, Yushi | L | 0-2 | |
| Indonesia Masters | 10/25 09:25 | 5 | Alcala, Mark Shelley v Ci Fu Lei | W | 2-1 | |
| Indonesia Masters | 10/24 13:00 | 6 | Rohan Midha v Alcala, Mark Shelley | W | 0-2 | |
| Indonesia Masters | 10/19 03:00 | 6 | Sang Yong Park v Alcala, Mark Shelley | L | 2-1 | |
| Graphics Int. | 12/18 17:35 | - | 웅옌 티엔 민 v Alcala, Mark Shelley | L | 2-0 | |
| Graphics Int. Qual | 12/17 17:00 | - | Alcala, Mark Shelley v Ko, Andy | W | 2-0 | |
| German Open 2019, WD, Qualification | 12/18 18:30 | 1 | 이, 옌-유 v Alcala, Mark Shelley | - | home | |
| German Open 2019, WD, Qualification | 06/12 21:00 | 1 | Alcala, Mark Shelley v 솅어, 샤오돈 | L | 0-2 | |
| German Open 2019, WD, Qualification | 06/12 19:22 | - | Chiu, Timothy v Alcala, Mark Shelley | W | 0-2 | |
| Giraldilla Int. XD | 12/23 01:30 | 1 | 산케에르트, 바갈루르 라자나 v Alcala, Mark Shelley | L | 2-1 | |
| Giraldilla Int. XD | 12/22 01:30 | 1 | 첸, 샤우 청아 v Alcala, Mark Shelley | W | 1-2 | |
| Giraldilla Int. XD | 12/20 22:20 | 1 | 호-슈, 제이슨 안토니 v Alcala, Mark Shelley | W | 0-2 | |
| Giraldilla Int. XD | 12/20 02:45 | - | Alcala, Mark Shelley v 래버 , 루카 | W | 2-1 | |
| German Open 2019, WD, Qualification | 12/19 17:00 | 1 | 헤르난데스, 아르투로 v Alcala, Mark Shelley | W | 0-2 |