Roberto Bautista Agut advanced when C. O'Connell retired 6-4 in the Winston-Salem round of 32. Roberto Bautista Agut claimed a first win over C. O'Connell in two meetings, levelling the head-to-head at 1–1.
Bautista-Agut R. advanced when O'Connell C. retired.
Bautista-Agut R. and O'Connell C. faced 3 of the same opponents in the last 12 months. Bautista-Agut R. went 1–2 (33%) against them, O'Connell C. 1–2 (33%). Only 1 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Roberto Bautista Agut beat C. O'Connell 6-4 after C. O'Connell retired. Umpiry, "Roberto Bautista Agut vs C. O'Connell — Winston-Salem Round of 32", https://umpiry.com/match/2025-08-19/agut-vs-o-connell-winston-salem-r32?utm_source=cite (as of 19 August 2025).