18‑Dec‑2023 | M15 Monastir | Hard | R16 | 1582 | 1095 | (LL)Perry Gregg [USA] d. Berkieta | 6-3 4-6 6-1 | | | | | | | | | |
18‑Dec‑2023 | M15 Monastir | Hard | R32 | 1582 | | Berkieta d. (WC)Josh Roe Flannelly [IRL] | 6-1 6-2 | | | | | | | | | |
27‑Nov‑2023 | M15 Madrid | Hard | R32 | 1554 | 735 | (8)Alejo Sanchez Quilez [ESP] d. Berkieta | 7-5 6-2 | | | | | | | | | |
14‑Aug‑2023 | Grodzisk Mazowiecki CH | Hard | R32 | 1407 | 307 | (Q)Denis Yevseyev [KAZ] d. (WC)Berkieta | 6-3 6-1 | | 0.34 | 3.3% | 11.7% | 53.3% | 62.5% | 25.0% | 6/11 | 1:00 |
26‑Jun‑2023 | M15 Wroclaw | Clay | R32 | 1370 | 642 | (6)David Poljak [CZE] d. Berkieta | 6-3 7-5 | | | | | | | | | |
19‑Jun‑2023 | Poznan CH | Clay | Q1 | 1363 | 368 | (3)Carlos Taberner [ESP] d. (WC)Berkieta | 3-6 6-3 7-6(4) | | 0.86 | 6.0% | 3.0% | 49.0% | 65.3% | 49.0% | 3/7 | 2:48 |
13‑Mar‑2023 | M15 Monastir | Hard | QF | 1631 | 643 | (6)Simone Roncalli [ITA] d. Berkieta | 7-6(6) 1-0 RET | | | | | | | | | |
13‑Mar‑2023 | M15 Monastir | Hard | R16 | 1631 | 1613 | Berkieta d. (Q)Pablo Trochu [FRA] | 6-2 7-6(3) | | | | | | | | | |
13‑Mar‑2023 | M15 Monastir | Hard | R32 | 1631 | 496 | Berkieta d. (1)Hady Habib [LIB] | 6-3 6-4 | | | | | | | | | |
6‑Mar‑2023 | M15 Monastir | Hard | R32 | 1631 | 930 | (Q)Taiyo Yamanaka [JPN] d. Berkieta | 4-6 6-3 6-3 | | | | | | | | | |