11‑Nov‑2019 | M15 Meshref | Hard | R32 | 671 | 1062 | Valentin Royer [FRA] d. Adamson | 6-1 6-4 | | | | | | | | | |
4‑Nov‑2019 | M15 Meshref | Hard | R16 | 638 | 1065 | (JR )Valentin Royer [FRA] d. (6)Adamson | 6-4 6-3 | | | | | | | | | |
4‑Nov‑2019 | M15 Meshref | Hard | R32 | 638 | 930 | (6)Adamson d. Daisuke Sumizawa [JPN] | 6-2 6-2 | | | | | | | | | |
28‑Oct‑2019 | M15 Meshref | Hard | QF | 640 | 524 | (2)Marko Tepavac [SRB] d. Adamson | 6-2 6-1 | | | | | | | | | |
28‑Oct‑2019 | M15 Meshref | Hard | R16 | 640 | 798 | Adamson d. Saidalo Saidkarimov [UZB] | 7-6(3) 6-2 | | | | | | | | | |
28‑Oct‑2019 | M15 Meshref | Hard | R32 | 640 | 934 | Adamson d. Mikalai Haliak [BLR] | 6-2 3-0 RET | | | | | | | | | |
7‑Oct‑2019 | M15 Cancun | Hard | F | 738 | 593 | Adamson d. (5)Jorge Brian Panta Herreros [PER] | 4-6 6-3 6-2 | | | | | | | | | |
7‑Oct‑2019 | M15 Cancun | Hard | SF | 738 | 1707 | Adamson d. Alexander Knight [USA] | 2-6 6-1 6-2 | | | | | | | | | |
7‑Oct‑2019 | M15 Cancun | Hard | QF | 738 | 522 | Adamson d. (2)Mariano Kestelboim [ARG] | 7-5 7-6(7) | | | | | | | | | |
7‑Oct‑2019 | M15 Cancun | Hard | R16 | 738 | 1609 | Adamson d. Tigre Hank [MEX] | 6-2 6-3 | | | | | | | | | |
7‑Oct‑2019 | M15 Cancun | Hard | R32 | 738 | 1307 | Adamson d. Luke Jacob Gamble [USA] | 6-1 6-2 | | | | | | | | | |
30‑Sep‑2019 | M15 Santa Tecla | Hard | R32 | 735 | 1059 | Herbert Jody Maginley [ANT] d. Adamson | 6-1 3-6 6-3 | | | | | | | | | |
16‑Sep‑2019 | M15 Fayetteville AR | Hard | R16 | 739 | 932 | (JR )Rinky Hijikata [AUS] d. Adamson | 2-6 6-1 6-1 | | | | | | | | | |
16‑Sep‑2019 | M15 Fayetteville AR | Hard | R32 | 739 | | Adamson d. (JR )Tyler Zink [USA] | 1-6 6-1 7-6(7) | | | | | | | | | |
26‑Aug‑2019 | M15 Haren | Clay | R32 | 748 | 914 | Guy Den Heijer [NED] d. Adamson | 6-2 6-2 | | | | | | | | | |
19‑Aug‑2019 | M15 Lambermont | Clay | R32 | 747 | 437 | Mathieu Perchicot [FRA] d. Adamson | 6-1 6-2 | | | | | | | | | |
12‑Aug‑2019 | M15 Koksijde | Clay | R32 | 746 | 1530 | Felipe Derdoy [ARG] d. (7)Adamson | 7-5 4-6 6-2 | | | | | | | | | |
5‑Aug‑2019 | M15 Eupen | Clay | R32 | 754 | 510 | Genaro Alberto Olivieri [ARG] d. Adamson | 6-3 6-3 | | | | | | | | | |
22‑Jul‑2019 | M25 Champaign IL | Hard | R16 | | 593 | (6)Ruan Roelofse [RSA] d. Adamson | 6-7(2) 6-4 7-5 | | | | | | | | | |
22‑Jul‑2019 | M25 Champaign IL | Hard | R32 | | | Adamson d. (WC)Aron Hiltzik [USA] | 7-6(4) 7-6(3) | | | | | | | | | |
15‑Jul‑2019 | M25 Iowa City IA | Hard | R32 | | 381 | (2)Alejandro Gonzalez [COL] d. Adamson | 7-5 6-0 | | | | | | | | | |
10‑Jun‑2019 | M15 Singapore | Hard | QF | | 588 | Manish Sureshkumar [IND] d. (5)Adamson | 4-6 6-3 6-1 | | | | | | | | | |
10‑Jun‑2019 | M15 Singapore | Hard | R16 | | | (5)Adamson d. Jesse Delaney [AUS] | 6-0 6-4 | | | | | | | | | |
10‑Jun‑2019 | M15 Singapore | Hard | R32 | | | (5)Adamson d. Kunal Anand [IND] | 6-1 6-3 | | | | | | | | | |
3‑Jun‑2019 | M15 Singapore | Hard | SF | | | Aidan Mchugh [GBR] d. Adamson | 7-6(2) 1-6 6-3 | | | | | | | | | |
3‑Jun‑2019 | M15 Singapore | Hard | QF | | | Adamson d. Kunal Anand [IND] | 6-3 7-5 | | | | | | | | | |
3‑Jun‑2019 | M15 Singapore | Hard | R16 | | | Adamson d. (Q)David Agung Susanto [INA] | 6-3 6-1 | | | | | | | | | |
3‑Jun‑2019 | M15 Singapore | Hard | R32 | | | Adamson d. (WC)Hao Yuan Ng [SIN] | 6-3 6-3 | | | | | | | | | |
27‑May‑2019 | M15 Singapore | Hard | QF | | 666 | Hong Kit Jack Wong [HKG] d. (8)Adamson | 6-1 3-6 6-3 | | | | | | | | | |
27‑May‑2019 | M15 Singapore | Hard | R16 | | | (8)Adamson d. Siddhant Banthia [IND] | 6-3 6-0 | | | | | | | | | |
27‑May‑2019 | M15 Singapore | Hard | R32 | | | (8)Adamson d. Nikit Reddy [USA] | 6-4 6-2 | | | | | | | | | |
20‑May‑2019 | M15 Heraklion | Hard | R32 | | | Joshua Paris [GBR] d. Adamson | 6-3 6-3 | | | | | | | | | |
13‑May‑2019 | M15 Heraklion | Hard | R16 | | | (JR )Pavel Shumeiko [UKR] d. (8)Adamson | 6-3 5-7 6-1 | | | | | | | | | |
13‑May‑2019 | M15 Heraklion | Hard | R32 | | | (8)Adamson d. Alexandros Skorilas [GRE] | 6-7(4) 6-4 6-2 | | | | | | | | | |
6‑May‑2019 | M15 Sozopol | Hard | R32 | | | Kenneth Raisma [EST] d. (6)Adamson | 7-6(4) 4-6 6-2 | | | | | | | | | |
8‑Apr‑2019 | M15 Cancun | Hard | R32 | | 403 | Hugo Grenier [FRA] d. Adamson | 7-5 6-1 | | | | | | | | | |
11‑Mar‑2019 | M15 Arcadia CA | Hard | R32 | | | (WC)Alexander Cozbinov [MDA] d. Adamson | 6-3 7-5 | | | | | | | | | |
4‑Mar‑2019 | M25 Mildura | Grass | R16 | | 394 | Arjun Kadhe [IND] d. Adamson | 6-1 5-7 6-2 | | | | | | | | | |
4‑Mar‑2019 | M25 Mildura | Grass | R32 | | | Adamson d. Ryota Tanuma [JPN] | 2-6 6-1 7-6(4) | | | | | | | | | |
25‑Feb‑2019 | M25 Albury | Grass | R32 | | 392 | (3)Arjun Kadhe [IND] d. Adamson | 6-4 6-2 | | | | | | | | | |
11‑Feb‑2019 | M15 Tucson AZ | Hard | R32 | | | Isaiah Strode [USA] d. Adamson | 6-4 2-6 6-2 | | | | | | | | | |
4‑Feb‑2019 | M15 Claremont CA | Hard | R32 | | | Alexios Halebian [USA] d. Adamson | 6-2 6-1 | | | | | | | | | |
7‑Jan‑2019 | M25 Tucson AZ | Hard | R32 | | 636 | Peter Kobelt [USA] d. Adamson | 7-5 7-5 | | | | | | | | | |
31‑Dec‑2018 | M25 Los Angeles CA | Hard | R16 | | | Govind Nanda [USA] d. Adamson | 6-2 6-3 | | | | | | | | | |
31‑Dec‑2018 | M25 Los Angeles CA | Hard | R32 | | 457 | Adamson d. Manuel Guinard [FRA] | 6-2 3-6 7-6(3) | | | | | | | | | |