Ernests Gulbis has a competitive hard court record of 142–140 across 282 matches (50.4%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. 5 titles on hard: Delray Beach, Los Angeles, St. Petersburg, Marseille — a record that reflects consistent ability to close out tournaments on this surface.

At Grand Slam level (Australian Open & US Open): Ernests Gulbis has struggled at Grand Slam level on hard: 12–20 (37.5%) in 32 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

ATP Masters 1000 on hard (Indian Wells, Miami, Canada, Cincinnati, Shanghai, Paris): Ernests Gulbis is 31–38 (44.9%) across 69 Masters matches — below .500 in the Tour's deepest fields. Lifting that record here would unlock better results across the whole hard swing.

6 finals reached on hard — converted 5 into titles (outstanding 83% conversion rate). Converting finals at that rate separates champions from contenders. 13 semifinals. 27 quarterfinals.

vs. Top 10 on hard: 11–35 (23.9%, 46 matches). Top 10 opponents have represented a clear ceiling on hard; addressing that deficit is the single biggest lever for improving the overall record here.

By format on hard — best-of-five: 17–20 (45.9%); best-of-three: 125–120 (51.0%). Slightly stronger in three-set contests on hard, though the five-set record is still respectable.

Peak season: 2013 — 24–9 (72.7%) from 33 matches. That year captures the ceiling of what Ernests Gulbis can do on hard when performing at their best and represents the standard to aim for.