| Challenger - Taipei | 04/18 10:00 | 25 | [469] Kuan-Yi Lee v Lu, Yen-Hsun [63] | 2-6,1-6 | |
| ATP - Miami | 03/25 19:40 | 24 | [64] Lu, Yen-Hsun v Alexander Zverev [20] | 0-6,3-6 | |
| ATP - Miami | 03/23 15:00 | 23 | [128] Casper Ruud v Lu, Yen-Hsun [64] | 2-6,1-6 | |
| Irving, USA | 03/16 18:00 | 26 | [90] Mikhail Kukushkin v Lu, Yen-Hsun [65] | 6-2,4-6,6-4 | |
| Irving, USA | 03/14 18:15 | 25 | [208] Mcgee, James v Lu, Yen-Hsun [65] | 3-6,2-6 | |
| ATP - Indian Wells | 03/10 03:40 | 23 | [129] Vasek Pospisil v Lu, Yen-Hsun [65] | 6-7,6-4,6-3 | |
| ATP - Acapulco | 02/28 22:00 | 25 | [38] Lorenzi, Paolo v Lu, Yen-Hsun [61] | 4-6,6-3,6-4 | |
| ATP - Delray Beach | 02/22 23:00 | 26 | [63] Lu, Yen-Hsun v Kyle Edmund [49] | 3-6,6-3,2-6 | |
| ATP - Delray Beach | 02/20 19:30 | 25 | Fratangelo, Bjorn v Lu, Yen-Hsun | 6-4,5-7,4-6 | |
| ATP Memphis | 02/15 01:30 | 25 | Taylor Fritz v Lu, Yen-Hsun | 4-6,7-6,7-6 | |
| Open d'Australie, Melbourne, Australie | 01/16 02:30 | 23 | Andrey Rublev v Lu, Yen-Hsun | 4-6,6-3,7-6,6-3 | |
| ATP - Auckland | 01/11 01:15 | 26 | [33] Steve Johnson v Lu, Yen-Hsun [61] | 6-4,7-6 | |
| ATP - Auckland | 01/10 01:20 | 25 | [61] Lu, Yen-Hsun v Karen Khachanov [51] | 4-6,7-6,7-6 | |
| ATP Chennai | 01/04 11:30 | 26 | [99] Daniil Medvedev v Lu, Yen-Hsun [64] | 6-4,6-3 | |
| ATP Chennai | 01/03 12:30 | 25 | [97] Radu Albot v Lu, Yen-Hsun [64] | 2-6,1-6 | |
| Suzhou, China | 10/30 02:30 | 29 | Lu, Yen-Hsun v Stefan Kozlov | 6-0,6-1 | |
| Suzhou, China | 10/29 04:10 | 28 | Lu, Yen-Hsun v Chung, Hyeon | 6-2,6-2 | |
| Suzhou, China | 10/28 05:30 | 27 | Lu, Yen-Hsun v Arnaboldi, Andrea | 6-7,6-4,6-3 | |
| Suzhou, China | 10/26 06:30 | 26 | Lu, Yen-Hsun v Rungkat, Christopher | 7-5,6-1 | |
| Suzhou, China | 10/25 03:40 | 25 | Lu, Yen-Hsun v Daniel Masur | 6-4,6-3 | |
| Ningbo, China | 10/23 06:00 | 29 | Hiroki Moriya v Lu, Yen-Hsun | 3-6,1-6 | |
| Ningbo, China | 10/22 06:25 | 28 | Chung, Hyeon v Lu, Yen-Hsun | 7-6,6-7,2-6 | |
| Ningbo, China | 10/21 08:35 | 27 | Stefan Kozlov v Lu, Yen-Hsun | 6-3,4-6,4-6 | |
| Ningbo, China | 10/20 03:45 | 26 | Kudryavtsev, Alexander v Lu, Yen-Hsun | 5-7,4-6 | |
| Ningbo, China | 10/18 05:20 | 25 | Eysseric, Jonathan v Lu, Yen-Hsun | 2-6,6-7 | |
| ATP Shanghai Qual | 10/09 05:30 | 46 | [63] Lu, Yen-Hsun v Sugita, Yuichi [92] | 6-7,6-3,3-6 | |
| ATP Shanghai Qual | 10/08 08:00 | 45 | Lu, Yen-Hsun v Zhizhen Zhang | 6-4,6-1 | |
| Pékin, Chine | 10/03 11:30 | 25 | [16] Lucas Pouille v Lu, Yen-Hsun [63] | 6-1,6-2 | |
| Others | 09/29 10:30 | 26 | Lu, Yen-Hsun v Albert Ramos-Vinolas | 6-7,6-3,4-6 | |
| Others | 09/27 05:00 | 25 | STEPANEK R. v Lu, Yen-Hsun | 3-6,4-6 |