Data

Coverage

Data quality and serve-stats coverage across the canonical match database.

Coverage by year

Year	Matches	With serve stats	Coverage
2026	5,890	5,418	92.0%
2025	14,067	13,246	94.2%
2024	34,081	14,297	42.0%
2023	32,452	13,447	41.4%
2022	30,708	12,703	41.4%
2021	22,904	10,097	44.1%
2020	9,333	4,671	50.0%
2019	28,010	11,350	40.5%
2018	30,146	12,689	42.1%
2017	30,544	11,503	37.7%
2016	32,626	12,235	37.5%
2015	31,127	8,430	27.1%
2014	29,948	8,627	28.8%
2013	29,352	8,873	30.2%
2012	27,975	9,155	32.7%
2011	25,985	8,829	34.0%
2010	24,695	9,181	37.2%
2009	31	0	0.0%

Tournaments in 2009

Gaps only (< 50%)

Tournament	Matches ▼	Serve stats	Coverage
Brazil F34	31	0	0.0%

Source breakdown

Source	Match count
sackmann	414,983
atp	70,585

Fill failures

Total failures 173

Resolved 159

Unresolved 14

By reason

Reason	Total	Resolved	Unresolved
`no_canonical_match`	164	150	14
`player_resolution`	9	9	0

Recent unresolved

Player A	Player B	Competition	Reason	Scan date
Jody Maginley	Matteo Covato	Brazzaville Challenger 2026	`no_canonical_match`	2026-05-05
Brandon Perez	Younes Lalami	Brazzaville Challenger 2026	`no_canonical_match`	2026-05-05
Joao Schiessl	Gustavo Albieri	Santos Challenger 2026	`no_canonical_match`	2026-05-05
Aditya Vishal Balsekar	Gray Voelzke	Brazzaville Challenger 2026	`no_canonical_match`	2026-05-05
Bernard Tomic	Alafia Ayeni	Wuxi Challenger 2026	`no_canonical_match`	2026-05-05
Jody Maginley	Lenny Petit	Brazzaville Challenger 2026	`no_canonical_match`	2026-05-04
Soonwoo Kwon	Kaichi Uchida	Wuxi Challenger 2026	`no_canonical_match`	2026-05-04
Bruno Fernandez	Henrique Ortenblad Nogu	Santos Challenger 2026	`no_canonical_match`	2026-05-03
Gabriel Schenekenberg	Joao Vitor Scramin Do L	Santos Challenger 2026	`no_canonical_match`	2026-05-03
Blake Ellis	Rigele Te	Jiujiang Challenger 2026	`no_canonical_match`	2026-04-26
Luca Van Assche	Dusan Lajovic	Aix-en-Provence Challenger 2026	`no_canonical_match`	2026-04-28
Rei Sakamoto	Gianluca Cadenasso	Cagliari Challenger 2026	`no_canonical_match`	2026-04-28
Nicolas Villalon Valdes	Victor Braga	Santos Challenger 2026	`no_canonical_match`	2026-05-03
Rai Vicente De Araujo	Fermin Tenti	Santos Challenger 2026	`no_canonical_match`	2026-05-03

Canonical overrides

Kind	Source	Expected name	Reason	Created
player	atp	Jesper de Jong	835: ATP bootstrap dup Jesper De Jong (10009200) vs TML Jesper de Jong (10013597) -- pin ATP to TML canonical	2026-05-02 07:57
player	atp	Alex de Minaur	835: ATP bootstrap dup Alex De Minaur (10007632) vs TML Alex de Minaur (10013677) -- pin ATP to TML canonical	2026-05-02 07:57
player	atp	Mackenzie McDonald	835: ATP bootstrap dup Mackenzie Mcdonald (10001890) vs TML Mackenzie McDonald (10013601) -- pin ATP to TML canonical	2026-05-02 07:57
player	atp	Botic van de Zandschulp	835: ATP bootstrap dup Botic Van De Zandschulp (10003782) vs TML Botic van de Zandschulp (10013646) -- pin ATP to TML canonical	2026-05-02 07:57
player	atp	Alexandr Binda	Alexandr/Alexander Binda spelling variant	2026-05-02 07:57
player	atp	Seungri Choi	Name variant: Seung Ri Choi is same person as Seungri Choi (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp	Diego Dedura Palomero	Diego Dedura Palomero / Diego Dedura name variant	2026-05-02 07:57
player	atp	Nicolo Inserra	Name variant: Niccolo Inserra is same person as Nicolo Inserra (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp	Hogi Kang	Name variant: Ho Gi Kang is same person as Hogi Kang (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp	Denys Klok	Denys/Denis Klok spelling variant	2026-05-02 07:57
player	atp	Miloslav Mecir Jr	ATP name-variant dup: Miloslav Mecir (atp:mf36) is Miloslav Mecir Jr (sack:105080, DOB:1988-01-20) -- ATP drops 'Jr', father is sack:101036 (DOB:1964)	2026-05-02 07:57
player	atp	Ji Sung Nam	Name variant: Jisung Nam is same person as Ji Sung Nam (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp	Paul C Oosterbaan	Name variant: Paul Oosterbaan is same person as Paul C Oosterbaan (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp	J J Wolf	J J Wolf / J.J. Wolf punctuation variant	2026-05-02 07:57
player	atp	Ruixuan Wang	Name variant: Rui Xuan Wang is same person as Ruixuan Wang (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp	Cheng Yu Yu	Name variant: Ching Mou Yu is same person as Cheng Yu Yu (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp	Weiqiang Zheng	Name variant: Wei Qiang Zheng is same person as Weiqiang Zheng (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp_short	Alexandr Binda	Alexandr/Alexander Binda spelling variant	2026-05-02 07:57
player	atp_short	Seungri Choi	Name variant: Seung Ri Choi is same person as Seungri Choi (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp_short	Diego Dedura Palomero	Diego Dedura Palomero / Diego Dedura name variant	2026-05-02 07:57
player	atp_short	Nicolo Inserra	Name variant: Niccolo Inserra is same person as Nicolo Inserra (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp_short	Hogi Kang	Name variant: Ho Gi Kang is same person as Hogi Kang (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp_short	Denys Klok	Denys/Denis Klok spelling variant	2026-05-02 07:57
player	atp_short	Ji Sung Nam	Name variant: Jisung Nam is same person as Ji Sung Nam (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp_short	Paul C Oosterbaan	Name variant: Paul Oosterbaan is same person as Paul C Oosterbaan (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp_short	J J Wolf	J J Wolf / J.J. Wolf punctuation variant	2026-05-02 07:57
player	atp_short	Ruixuan Wang	Name variant: Rui Xuan Wang is same person as Ruixuan Wang (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp_short	Cheng Yu Yu	Name variant: Ching Mou Yu is same person as Cheng Yu Yu (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	atp_short	Weiqiang Zheng	Name variant: Wei Qiang Zheng is same person as Weiqiang Zheng (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	itf	Ji Sung Nam	Name variant: Jisung Nam is same person as Ji Sung Nam (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	itf	Cheng Yu Yu	Name variant: Ching Mou Yu is same person as Cheng Yu Yu (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	itf	Denys Klok	Denys/Denis Klok spelling variant	2026-05-02 07:57
player	itf	Bekkhan Atlangeriev	Name variant: Bekhan Atlangeriev is same person as Bekkhan Atlangeriev (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	itf	James Trotter	Name variant: James Kent Trotter is same person as James Trotter (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	itf	J J Wolf	J J Wolf / J.J. Wolf punctuation variant	2026-05-02 07:57
player	itf	Tai Sach	Tai Sach / Tai Leonard Sach name variant	2026-05-02 07:57
player	itf	Justin Roberts	ITF typo: 'Justin Robertsm' (itf:800602232, 9 matches) is Justin Roberts (sack:134490 + atp:rh17, 201 matches) -- trailing 'm' is garbage in raw ITF CSV	2026-05-02 07:57
player	sackmann	Andre Sa	sackmann/atp name mismatch: Andre Sa (sack:102987) is Andre Sa (atp:s604) — pre-2010 player, ATP ID not in rankings snapshots	2026-05-02 07:57
player	sackmann	Victor Estrella Burgos	Sackmann short-name dup: Victor Estrella (sack:103607, 503 matches) is Victor Estrella Burgos (atp:e224)	2026-05-02 07:57
player	sackmann	Alexander Satschko	Name variant: Alex Satschko is same person as Alexander Satschko (registry merge, confirmed no same-day matches)	2026-05-02 07:57
player	sackmann	Eric Butorac	sackmann/atp name mismatch: Eric Butorac (sack:103780) is Eric Butorac (atp:bc35) — pre-2010 doubles specialist, ATP ID not in rankings snapshots	2026-05-02 07:57
player	sackmann	Catalin-Ionut Gard	sackmann/atp name mismatch: Catalin Gard (sack:103805) is Catalin-Ionut Gard (atp:g493) — name extension	2026-05-02 07:57
player	sackmann	Scott Lipsky	sackmann/atp name mismatch: Scott Lipsky (sack:103822) is Scott Lipsky (atp:l580) — pre-2010 player, ATP ID not in rankings snapshots	2026-05-02 07:57
player	sackmann	Dimitar Grabul	Sackmann truncation dup: Dimitar Grabuloski (sack:103872, 126 matches) is Dimitar Grabul (atp:g580) -- ATP truncated surname	2026-05-02 07:57
player	sackmann	Carlos Poch-Gradin	sackmann/atp name mismatch: Carles Poch Gradin (sack:104083) is Carlos Poch-Gradin (atp:p646) — Carles → Carlos	2026-05-02 07:57
player	sackmann	Alex Bogomolov Jr.	Sackmann short-name dup: Alex Bogomolov Jr (sack:104166) is Alex Bogomolov Jr. (atp:b842, 326 matches) -- period-only diff	2026-05-02 07:57
player	sackmann	Fred Gil	sackmann/atp name mismatch: Frederico Gil (sack:104523) is Fred Gil (atp:g717) — Frederico → Fred	2026-05-02 07:57
player	sackmann	Treat Huey	sackmann/atp name mismatch: Treat Conrad Huey (sack:104600) is Treat Huey (atp:h788) — dropped 'Conrad'	2026-05-02 07:57
player	sackmann	Denis Matsukevich	sackmann/atp name mismatch: Denis Matsukevitch (sack:104707) is Denis Matsukevich (atp:mc18) — transliteration	2026-05-02 07:57
player	sackmann	Yuya Kibi	sackmann/atp name mismatch: Yuuya Kibi (sack:104771) is Yuya Kibi (atp:ka46) — Yuuya → Yuya	2026-05-02 07:57