Sergei Bubka has a competitive hard court record of 10–10 across 20 matches (50.0%). The record shows a player capable of competing here, though there is clear room to push the win rate higher.

At Grand Slam level (Australian Open & US Open): 1–1 across just 2 matches — still very early days at this level on hard.

ATP Masters 1000 on hard (Indian Wells, Miami, Canada, Cincinnati, Shanghai, Paris): Sergei Bubka has struggled at Masters level on hard: 1–2 (33.3%) in 3 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

By format on hard — best-of-five: 5–2 (71.4%); best-of-three: 5–8 (38.5%). Significantly better in five-set matches — a strong physical profile on hard that tends to tell as matches and tournaments progress.

Best season: 2011 — 3–4 (42.9%) from 7 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.

Sergei Bubka recorded a notable 6-match winning streak on hard — a run that demonstrates consistency across consecutive draws on this surface.