 World: Davis Cup - Group I - Singles - Main |
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| | Sousa P. | Scholtz N. | CAN. | details | 20.10.2018 |
| | Sousa J. | Scholtz N. | 2:0 (6:3, 6:2) | details | 19.10.2018 |
 USA: Tulsa - Singles - Main |
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| 1/8-finals | Scholtz N. | Johnson T. A. | 0:2 (61:7, 4:6) | details | 28.06.2018 |
| 1/16-finals | Scholtz N. | Boyer D. H. | 2:0 (6:3, 6:2) | details | 27.06.2018 |
| USA: Winston-Salem 2 - Singles - Main |
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| 1/16-finals | Lebedev A. | Scholtz N. | 2:0 (6:4, 6:3) | details | 20.06.2018 |
| USA: Winston-Salem - Singles - Main |
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| 1/8-finals | Redlicki Mi. | Scholtz N. | 0:0 RET. (3:1) | details | 14.06.2018 |
| 1/16-finals | Clark E. | Scholtz N. | 1:2 (6:3, 65:7, 4:6) | details | 13.06.2018 |
| 1/16-finals | Kypson P. | Scholtz N. | CAN. | details | 13.06.2018 |
 Mexico: Puerto Vallarta - Singles - Main |
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| 1/16-finals | King K. | Scholtz N. | 2:0 (6:3, 6:1) | details | 01.05.2018 |
| USA: Little Rock - Singles - Main |
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| Final | Sell K. | Scholtz N. | 2:0 (7:5, 6:2) | details | 15.04.2018 |
| Semi-finals | Scholtz N. | Adams H. | 2:1 (5:7, 6:2, 6:4) | details | 14.04.2018 |
| Quarter-finals | Scholtz N. | Craig H. | 1:1 RET. (4:6, 7:63, 6:5) | details | 14.04.2018 |
| 1/8-finals | Scholtz N. | Kirchheimer S. | 2:0 (6:2, 6:4) | details | 13.04.2018 |
| 1/16-finals | Scholtz N. | Bourchier E. | 2:0 (6:3, 6:1) | details | 11.04.2018 |
| USA: Memphis - Singles - Main |
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| 1/16-finals | Scholtz N. | Craig H. | 0:2 (4:6, 61:7) | details | 04.04.2018 |
| USA: Calabasas - Singles - Main |
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| 1/8-finals | Fawcett T. | Scholtz N. | 2:1 (3:6, 6:4, 7:65) | details | 23.03.2018 |
| 1/16-finals | Bullard J. | Scholtz N. | 0:2 (5:7, 1:6) | details | 20.03.2018 |
 Canada: Drummondville - Singles - Main |
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| 1/8-finals | Pospisil V. | Scholtz N. | 2:0 (7:62, 7:5) | details | 15.03.2018 |
| 1/16-finals | Sigouin B. | Scholtz N. | 1:2 (1:6, 6:2, 4:6) | details | 13.03.2018 |
| USA: Indian Wells - Singles - Main |
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| 1/16-finals | Scholtz N. | Novikov D. | 1:2 (7:66, 4:6, 4:6) | details | 27.02.2018 |
| Mexico: Morelos - Singles - Main |
|---|
| 1/16-finals | Eubanks C. | Scholtz N. | 2:0 (6:3, 6:4) | details | 19.02.2018 |
| World: Davis Cup - Group I - Singles - Main |
|---|
| | Scholtz N. | Leshem E. | 0:2 (3:6, 5:7) | details | 03.02.2018 |
| | Scholtz N. | Sela D. | 1:2 (1:6, 7:61, 5:7) | details | 02.02.2018 |
| USA: Champaign - Singles - Main |
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| 1/16-finals | Klahn B. | Scholtz N. | 2:0 (6:2, 6:3) | details | 14.11.2017 |
| USA: Harlingen - Singles - Main |
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| 1/8-finals | Scholtz N. | Zhu E. | 0:2 (4:6, 4:6) | details | 19.10.2017 |
| 1/16-finals | Scholtz N. | Decamps G. | 2:0 (6:1, 6:1) | details | 18.10.2017 |
| World: Davis Cup - Group II - Singles - Main |
|---|
| | Hannestad B. | Scholtz N. | CAN. | details | 17.09.2017 |
| | Nielsen F. | Scholtz N. | 3:0 (6:4, 6:2, 6:3) | details | 15.09.2017 |
| USA: Winston-Salem - Singles - Qualification |
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| Semi-finals | Fucsovics M. | Scholtz N. | 2:0 (6:1, 6:2) | details | 19.08.2017 |
| USA: Edwardsville - Singles - Main |
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| 1/16-finals | Scholtz N. | Ram Harel O. | 1:2 (7:63, 62:7, 3:6) | details | 09.08.2017 |
| World: Davis Cup - Group II - Singles - Main |
|---|
| | Scholtz N. | Urbanija M. | CAN. | details | 09.04.2017 |
| | Scholtz N. | Ternar T. | 2:0 (6:2, 6:4) | details | 09.04.2017 |
| | Scholtz N. | Zemlja G. | 3:2 (3:6, 61:7, 7:66, 7:64, 7:67) | details | 07.04.2017 |
| Mexico: Monterrey - Singles - Main |
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| 1/16-finals | Falla A. | Scholtz N. | 2:0 (6:3, 6:4) | details | 11.10.2016 |
| USA: Columbus - Singles - Main |
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| 1/16-finals | Rola B. | Scholtz N. | 2:0 (6:3, 6:2) | details | 20.09.2016 |
| USA: Cary - Singles - Main |
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| 1/16-finals | Scholtz N. | King D. | 0:2 (4:6, 4:6) | details | 13.09.2016 |
| USA: Aptos - Singles - Main |
|---|
| 1/16-finals | Scholtz N. | Bangoura S. | 0:2 (3:6, 3:6) | details | 09.08.2016 |
