Filip Krajinovic has a competitive hard court record of 83–83 across 166 matches (50.0%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. Filip Krajinovic has reached 2 finals without yet claiming a title on hard — one of the finest margins in tennis.

At Grand Slam level (Australian Open & US Open): Filip Krajinovic has struggled at Grand Slam level on hard: 8–14 (36.4%) in 22 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): Filip Krajinovic is 19–22 (46.3%) across 41 Masters matches — below .500 in the Tour's deepest fields. Lifting that record here would unlock better results across the whole hard swing.

2 finals reached on hard — none converted into a title yet. Reaching 2 finals is a mark of real quality, but the gap between finalist and champion is one of the finest lines in the sport. 7 semifinals. 14 quarterfinals.

vs. Top 10 on hard: 1–21 (4.5%, 22 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: 10–14 (41.7%); best-of-three: 73–69 (51.4%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on hard.

Best season: 2017 — 5–2 (71.4%) from 7 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.