 Dominican Republic: M25 Santo Domingo - Singles - Main |
|---|
| 1/16-finals | Pokorny L. | Rubin N. | 1:1 RET. (1:6, 7:63, 4:1) | details | 06.03.2024 |
 USA: Cleveland - Singles - Main |
|---|
| 1/8-finals | Rubin N. | Kudla D. | 0:2 (1:6, 3:6) | details | 31.01.2024 |
| 1/16-finals | Rubin N. | Pecotic M. | 2:1 (5:7, 6:3, 7:5) | details | 30.01.2024 |
| 1/16-finals | Rubin N. | Tien L. | CAN. | details | 29.01.2024 |
| USA: M25 Wesley Chapel, FL - Singles - Main |
|---|
| Quarter-finals | Cid Subervi R. | Rubin N. | 2:0 (6:4, 6:4) | details | 26.01.2024 |
| 1/8-finals | Rubin N. | Bertran P. | 2:0 (6:3, 6:4) | details | 25.01.2024 |
| 1/16-finals | Rubin N. | Ribeiro Lago E. | 2:0 (6:3, 6:2) | details | 24.01.2024 |
| USA: Indian Wells - Singles - Qualification |
|---|
| Final | Tracy J. | Rubin N. | 1:1 RET. (65:7, 6:4, 4:2) | details | 15.01.2024 |
| Semi-finals | Rubin N. | Kang K. | 2:0 (6:3, 6:2) | details | 15.01.2024 |
 Portugal: Oeiras - Singles - Main |
|---|
| 1/16-finals | Rubin N. | Domingues J. | 1:2 (4:6, 6:1, 5:7) | details | 02.01.2024 |
| Portugal: Oeiras - Singles - Qualification |
|---|
| Final | Rubin N. | Ursu V. | 2:0 (6:4, 6:3) | details | 01.01.2024 |
| Semi-finals | Gerch L. | Rubin N. | 0:2 (1:6, 4:6) | details | 31.12.2023 |
| USA: Washington - Singles - Qualification |
|---|
| Semi-finals | Daniel T. | Rubin N. | 2:0 (6:2, 6:0) | details | 30.07.2022 |
| USA: Newport - Singles - Qualification |
|---|
| Final | Rubin N. | Blumberg W. | 1:2 (6:4, 3:6, 2:6) | details | 11.07.2022 |
| Semi-finals | Escobedo E. | Rubin N. | 0:2 (61:7, 1:6) | details | 10.07.2022 |
| USA: M25 Tulsa, OK - Singles - Main |
|---|
| 1/16-finals | Heck H. | Rubin N. | 2:1 (4:6, 6:2, 6:1) | details | 21.06.2022 |
| USA: M25 East Lansing, MI - Singles - Main |
|---|
| Quarter-finals | Rubin N. | Diallo G. | 0:2 (62:7, 3:6) | details | 10.06.2022 |
| 1/8-finals | Rubin N. | Nidunjianzan F. | 2:0 (6:2, 6:3) | details | 09.06.2022 |
| 1/16-finals | Rubin N. | Boulais J. | 2:0 (6:4, 6:1) | details | 07.06.2022 |
| USA: Savannah - Singles - Main |
|---|
| 1/16-finals | Rubin N. | Brouwer G. | 0:2 (2:6, 1:6) | details | 26.04.2022 |
| Portugal: Oeiras 2 - Singles - Qualification |
|---|
| Final | Rybakov A. | Rubin N. | 2:1 (4:6, 6:3, 6:3) | details | 04.04.2022 |
| Semi-finals | Coelho F. | Rubin N. | 0:2 (3:6, 3:6) | details | 03.04.2022 |
| Portugal: Oeiras - Singles - Main |
|---|
| Quarter-finals | Serdarusic N. | Rubin N. | 2:1 (65:7, 6:2, 7:5) | details | 01.04.2022 |
| 1/8-finals | Rubin N. | Kolar Z. | 2:0 (6:4, 6:4) | details | 31.03.2022 |
| Portugal: M25 Quinta Do Lago - Singles - Main |
|---|
| 1/16-finals | Echeverria J. | Rubin N. | 2:0 (6:1, 6:4) | details | 25.03.2022 |
| Dominican Republic: M25 Santo Domingo - Singles - Main |
|---|
| 1/8-finals | Hijikata R. | Rubin N. | 2:0 (6:3, 7:63) | details | 24.02.2022 |
| 1/16-finals | Rubin N. | Kovacevic A. | 2:0 (6:3, 6:3) | details | 23.02.2022 |
 Mexico: M25 Cancun 2 - Singles - Main |
|---|
| 1/16-finals | Rubin N. | Patino L. | 0:2 (4:6, 2:6) | details | 15.02.2022 |
| USA: M25 Weston, FL - Singles - Main |
|---|
| Semi-finals | Rubin N. | Stodder T. | 0:2 (2:6, 2:6) | details | 29.01.2022 |
| Quarter-finals | Rubin N. | Wessels L. | 2:1 (1:6, 6:3, 6:3) | details | 28.01.2022 |
| 1/8-finals | Rubin N. | Toledo B. P. | 2:0 (6:2, 6:4) | details | 27.01.2022 |
| 1/16-finals | Rubin N. | Rodriguez R. | 2:0 (6:3, 7:5) | details | 26.01.2022 |
 Chile: Concepcion - Singles - Main |
|---|
| 1/8-finals | Rubin N. | Ugo Carabelli C. | 0:2 (2:6, 2:6) | details | 19.01.2022 |
| 1/16-finals | Rubin N. | Nunez V. | 2:0 (6:2, 6:2) | details | 17.01.2022 |
 Brazil: Blumenau - Singles - Main |
|---|
| 1/8-finals | Rubin N. | Paz J. P. | 1:2 (7:66, 61:7, 3:6) | details | 12.01.2022 |
| 1/16-finals | Dutra Da Silva D. | Rubin N. | 1:2 (4:6, 6:4, 2:6) | details | 11.01.2022 |
 Argentina: Tigre - Singles - Main |
|---|
| 1/8-finals | Casanova H. | Rubin N. | 2:1 (6:3, 2:6, 6:2) | details | 05.01.2022 |
| 1/16-finals | Dutra Da Silva D. | Rubin N. | 0:2 (65:7, 2:6) | details | 03.01.2022 |
| USA: Columbus - Singles - Main |
|---|
| 1/16-finals | Rubin N. | Bolt A. | 0:2 (65:7, 64:7) | details | 20.09.2021 |
| USA: Cary 2 - Singles - Main |
|---|
| 1/16-finals | Mmoh M. | Rubin N. | 2:0 (6:1, 6:3) | details | 14.09.2021 |
| USA: Winston-Salem - Singles - Main |
|---|
| 1/32-finals | Rubin N. | Murray A. | 0:2 (2:6, 0:6) | details | 23.08.2021 |
| USA: Winston-Salem - Singles - Qualification |
|---|
| Final | Pouille L. | Rubin N. | 2:1 (4:6, 7:65, 6:2) | details | 22.08.2021 |
| 1/8-finals | Aragone J. | Rubin N. | 1:2 (63:7, 6:1, 4:6) | details | 21.08.2021 |
| USA: Atlanta - Singles - Qualification |
|---|
| Semi-finals | Donskoy E. | Rubin N. | 2:1 (3:6, 6:3, 6:4) | details | 24.07.2021 |