stadio: Match Court Round: 5
| Coppa Davis | 2023/09/15 14:35 | Olaf Pieczkowski v Darian King | 1-6,7-6,6-3 |
| ITF M15 Szczawno | 2023/09/03 09:30 | Olaf Pieczkowski v Jasza Szajrych | 6-1,6-2 |
| ITF M15 Szczawno | 2023/09/01 09:00 | Olaf Pieczkowski v Jonas P Hartenstein | 6-2,6-2 |
| ITF M15 Szczawno | 2023/08/30 07:00 | Olaf Pieczkowski v Alan Bojarski | 6-0,6-2 |
| ITF M25 Poznan | 2023/08/23 13:45 | Olaf Pieczkowski v Viacheslav Bielinskyi | 6-3,3-6,2-6 |
| ITF M25 Bielsko Biala | 2023/08/18 08:30 | Juan Bautista Torres v Olaf Pieczkowski | 6-3,6-2 |
| ITF M25 Bielsko Biala | 2023/08/17 08:30 | Olaf Pieczkowski v Daniel Siniakov | 7-5,6-2 |
| ITF M25 Bielsko Biala | 2023/08/16 09:00 | Ondrej Horak v Olaf Pieczkowski | 6-3,1-6,0-6 |
| Coppa Davis | 2023/09/15 13:00 | Hubert Hurkacz v Kaipo Marshall | 6-0,7-5 |
| ITF M25 Santo Domingo | 2023/06/26 13:30 | David Mizrahi v Kaipo Marshall | 1-6,7-6,10-4 |
| ITF M25 Santo Domingo | 2023/06/25 14:00 | Kaipo Marshall v Tommaso Carnevale-Miino | 6-2,6-4 |
| ITF M25 Santo Domingo | 2023/06/19 14:00 | Stefano Liokossis v Kaipo Marshall | 6-3,5-7,10-4 |
| ITF M25 Santo Domingo | 2023/06/18 13:00 | Kaipo Marshall v Juan Arturo Espanol Moreno | 7-5,6-0 |
| Coppa Davis | 2023/02/04 19:55 | Kaipo Marshall v Clement Mainguy | 4-6,7-5,6-3 |
| Coppa Davis | 2023/02/03 16:40 | Kaipo Marshall v Colin Sinclair | 2-6,1-6 |
| ITF M15 Santo Domingo | 2022/11/30 13:30 | Kaipo Marshall v John Chin | 6-4,3-6,4-6 |