Byron Black has a competitive career record of 276–248 across 524 matches (52.7%). The record shows a player capable of competing at Tour level, though there is clear room to push the win rate higher. Claimed 2 titles: Seoul, Chennai.
At Grand Slam level (Australian Open, Roland Garros, Wimbledon, US Open): Byron Black is 38–39 (49.4%) across 77 Grand Slam matches — below .500, though the elite draw depth makes that a notoriously difficult barrier.
ATP Masters 1000 (Indian Wells, Miami, Monte Carlo, Madrid, Rome, Canada, Cincinnati, Shanghai, Paris): Byron Black is 25–42 (37.3%) across 67 Masters matches — below .500 in the Tour's deepest fields. Lifting that record here would unlock better results across the calendar.
10 finals reached — won 2, lost 8 (20% conversion) — capable of reaching finals consistently, with room to improve at the decisive moment. 20 semifinals. 42 quarterfinals.
vs. Top 10: 12–48 (20.0%, 60 matches). Top 10 opponents have represented a clear ceiling; addressing that deficit is the single biggest lever for improving the overall record.
By format — best-of-five: 70–58 (54.7%); best-of-three: 206–190 (52.0%). Slightly better in five-set matches — a positive sign for Grand Slam campaigns specifically.
Peak season: 1998 — 39–26 (60.0%) from 65 matches. That year captures the ceiling of what Byron Black can do when performing at their best and represents the standard to aim for.