| 11‑Nov‑2019 | M15 Maputo | Hard | R32 | 1081 | 442 | Benjamin Lock [ZIM] d. Dahiya | 5-7 6-3 6-2 | | | | | | | | | |
| 4‑Nov‑2019 | M15 Maputo | Hard | R16 | 1082 | 812 | (7)Hamid Reza Nadaf [IRI] d. Dahiya | 7-6(5) 6-2 | | | | | | | | | |
| 4‑Nov‑2019 | M15 Maputo | Hard | R32 | 1082 | 1200 | Dahiya d. Rishi Reddy [IND] | 4-6 7-6(2) 6-2 | | | | | | | | | |
| 14‑Oct‑2019 | M25 Lagos | Hard | R16 | 1202 | 528 | David Pichler [AUT] d. Dahiya | 6-1 6-1 | | | | | | | | | |
| 14‑Oct‑2019 | M25 Lagos | Hard | R32 | 1202 | | Dahiya d. (Q)Christian Saidi Otupio [COD] | 6-2 6-2 | | | | | | | | | |
| 7‑Oct‑2019 | M25 Lagos | Hard | R16 | 1199 | 1040 | Mehluli Don Ayanda Sibanda [ZIM] d. Dahiya | 5-7 6-2 6-0 | | | | | | | | | |
| 7‑Oct‑2019 | M25 Lagos | Hard | R32 | 1199 | | Dahiya d. Abayomi Oluseyi Philips [NGR] | 6-4 6-2 | | | | | | | | | |
| 10‑Jun‑2019 | M15 Singapore | Hard | R32 | | 588 | Manish Sureshkumar [IND] d. Dahiya | 6-3 6-1 | | | | | | | | | |
| 27‑May‑2019 | M15 Singapore | Hard | R32 | | 651 | (3)Takuto Niki [JPN] d. Dahiya | 6-1 6-4 | | | | | | | | | |