| 3‑Jun‑2019 | M15 Cancun | Hard | R32 | | 568 | Luis Patino [MEX] d. Halebian | 6-2 1-0 RET | | | | | | | | | |
| 27‑May‑2019 | M15 Cancun | Hard | R32 | | 643 | Tomas Martin Etcheverry [ARG] d. Halebian | 6-4 6-0 | | | | | | | | | |
| 11‑Feb‑2019 | M15 Tucson AZ | Hard | R32 | | 681 | Strong Kirchheimer [USA] d. (WC)Halebian | 6-3 3-1 RET | | | | | | | | | |
| 4‑Feb‑2019 | M15 Claremont CA | Hard | R16 | | | Henry Craig [USA] d. Halebian | 6-2 6-2 | | | | | | | | | |
| 4‑Feb‑2019 | M15 Claremont CA | Hard | R32 | | | Halebian d. Alec Adamson [USA] | 6-2 6-1 | | | | | | | | | |
| 7‑Jan‑2019 | M25 Tucson AZ | Hard | R32 | | | Michail Pervolarakis [CYP] d. (Q)Halebian | 6-1 6-2 | | | | | | | | | |
| 31‑Dec‑2018 | M25 Los Angeles CA | Hard | R32 | | 445 | (4)Martin Redlicki [USA] d. Halebian | 7-6(4) 7-6(6) | | | | | | | | | |