ATP Tour 250 (trước đây được biết đến là ATP World Tour 250, ATP International Series, và ATP World Series) là cấp độ thấp nhất của các giải quần vợt nam hằng năm ở hệ thống giải ATP Tour chính, sau bốn giải Grand Slam, ATP Finals, các giải ATP Tour Masters 1000 và các giải ATP Tour 500.

Tính đến năm 2020, loạt giải đấu bao gồm 39 giải, với mỗi nhà vô địch đơn được nhận 250 điểm xếp hạng. Các giải đấu gồm 28, 32 hoặc 48 tay vợt cho nội dung đơn và 16 cặp cho nội dung đôi.

Giải đấu	Tên chính thức	Địa điểm	Quốc gia	Mặt sân
Doha	Qatar ExxonMobil Open	Doha	Qatar	Hard
Chennai	Aircel Chennai Open	Chennai	Ấn Độ	Hard
Brisbane	Brisbane International	Brisbane	Úc	Hard
Sydney	Medibank International Sydney	Sydney	Úc	Hard
Auckland	Heineken Open	Auckland	New Zealand	Hard
Santiago	Movistar Open	Santiago	Chile	Clay (Red)
Zagreb	PBZ Zagreb Indoors	Zagreb	Croatia	Hard (i)
Johannesburg	SA Tennis Open	Johannesburg	Nam Phi	Hard
Costa do Sauípe	Brasil Open	Costa do Sauípe	Brasil	Clay (Red)
San Jose	SAP Open	San Jose	Hoa Kỳ	Hard (i)
Marseille	Open 13	Marseille	Pháp	Hard (i)
Buenos Aires	Copa Claro	Buenos Aires	Argentina	Clay (Red)
Delray Beach	Delray Beach Int'l Tennis Championships	Delray Beach	Hoa Kỳ	Hard
Houston	U.S. Men's Clay Court Championships	Houston	Hoa Kỳ	Clay (Red)
Casablanca	Grand Prix Hassan II	Casablanca	Maroc	Clay (Red)
Estoril	Estoril Open	Oeiras	Bồ Đào Nha	Clay (Red)
Belgrade	Serbia Open	Belgrade	Serbia	Clay (Red)
Munich	BMW Open	München	Đức	Clay (Red)
Nice	Open de Nice Côte d'Azur	Nice	Pháp	Clay (Red)
Halle	Gerry Weber Open	Halle	Đức	Grass
Queens	AEGON Championships	London	Anh Quốc	Grass
's-Hertogenbosch	UNICEF Open	Rosmalen	Hà Lan	Grass
Eastbourne	AEGON International	Eastbourne	Anh Quốc	Grass
Newport	Campbell's Hall of Fame Tennis Championships	Newport	Hoa Kỳ	Grass
Båstad	Catella Swedish Open	Båstad	Thụy Điển	Clay (Red)
Stuttgart	MercedesCup	Stuttgart	Đức	Clay (Red)
Atlanta	Atlanta Tennis Championships	Atlanta	Hoa Kỳ	Hard
Los Angeles	Farmers Classic	Los Angeles	Hoa Kỳ	Hard
Gstaad	Allianz Suisse Open Gstaad	Gstaad	Thụy Sĩ	Clay (Red)
Umag	ATP Studena Croatia Open Umag	Umag	Croatia	Clay (Red)
Winston-Salem	Winston-Salem Open	Winston-Salem	Hoa Kỳ	Hard
Metz	Open de Moselle	Metz	Pháp	Hard (i)
Bucharest	BCR Open Romania	Bucharest	România	Clay (Red)
Bangkok	PTT Thailand Open	Bangkok	Thái Lan	Hard (i)
Kuala Lumpur	Proton Malaysian Open	Kuala Lumpur	Malaysia	Hard (i)
Stockholm	If Stockholm Open	Stockholm	Thụy Điển	Hard (i)
Moskva	Kremlin Cup	Moskva	Nga	Hard (i)
Montpellier	Open Sud de France	Pérols	Pháp	Hard (i)
Vienna	Bank Austria-TennisTrophy	Viên	Áo	Hard (i)
Saint Petersburg	St. Petersburg Open	Saint Petersburg	Nga	Hard (i)
Istanbul	Istanbul Open	Istanbul	Thổ Nhĩ Kỳ	Hard (i)

2009.- nay

NĂM	2009	2010	2011	2012	2013	2014	2015	2016	2017
GIẢI ĐẤU HIỆN NAY
Brisbane	Štěpánek (1/2)	Roddick (1/3)	Söderling (2/4)	Murray (5/10)	Murray (6/10)	Hewitt (3/4)	Federer (5/6)	Raonic (7/7)	Dimitrov (4/5)
Chennai	Čilić (1/12)	Čilić (3/12)	Wawrinka (2/7)	Raonic (2/7)	Tipsarević (4/4)	Wawrinka (4/7)	Wawrinka (5/7)	Wawrinka (6/7)	Bautista Agut (5/5)
Doha	Murray (1/10)	Davydenko (3/4)	Federer (2/6)	Tsonga (5/8)	Gasquet (3/9)	Nadal (2/4)	Ferrer (9/10)	Djokovic (3/4)	Djokovic (4/4)
Sydney	Nalbandian (1/1)	Baghdatis (2/2)	Simon (3/6)	Nieminen (1/1)	Tomic (1/3)	del Potro (7/8)	Troicki (2/3)	Troicki (3/3)	Muller (1/1)
Auckland	del Potro (1/8)	Isner (1/10)	Ferrer (1/10)	Ferrer (2/10)	Ferrer (6/10)	Isner (8/10)	Vesely (1/1)	Bautista Agut (3/5)	Sock (2/2)
Montpellier/Lyon	Ljubičić (1/1)	Monfils (2/4)	Not an event	Berdych (2/7)	Gasquet (4/9)	Monfils (4/4)	Gasquet (6/9)	Gasquet (8/9)	A. Zverev (2/2)
Quito	Not an event						Estrella Burgos (1/3)	Estrella Burgos (2/3)	Estrella Burgos (3/3)
Sofia	Not an event							Bautista Agut (4/5)	Dimitrov (5/5)
Memphis	ATP World Tour 500 series					Nishikori (1/4)	Nishikori (3/4)	Nishikori (4/4)	Harrison (1/1)
Buenos Aires	Robredo (2/5)	Ferrero (3/5)	Almagro (4/8)	Ferrer (3/10)	Ferrer (7/10)	Ferrer (8/10)	Nadal (3/4)	Thiem (4/6)	Dolgopolov (2/2)
Marseille	Tsonga (2/8)	Llodra (1/2)	Söderling (3/4)	del Potro (4/8)	Tsonga (7/8)	Gulbis (5/6)	Simon (6/6)	Kyrgios (1/2)
Delray Beach	Fish (1/4)	Gulbis (1/6)	del Potro (2/8)	Anderson (2/3)	Gulbis (3/6)	Čilić (10/12)	Karlović (2/4)	Querrey (6/6)
Costa do Sauípe/São Paulo	Robredo (1/5)	Ferrero (2/5)	Almagro (3/8)	Almagro (6/8)	Nadal (1/4)	Delbonis (1/2)	Cuevas (3/4)	Cuevas (4/4)
Houston	Hewitt (1/4)	Chela (1/2)	Sweeting (1/1)	Mónaco (2/5)	Isner (6/10)	Verdasco (3/4)	Sock (1/2)	Mónaco (5/5)
Casablanca/Marrakech	Ferrero (1/5)	Wawrinka (1/7)	Andújar (1/3)	Andújar (2/3)	Robredo (4/5)	García-López (3/5)	Klizan (3/3)	Delbonis (2/2)
Budapest	Not an event
Munich	Berdych (1/7)	Youzhny (2/5)	Davydenko (4/4)	Kohlschreiber (2/5)	Haas (3/4)	Kližan (2/3)	Murray (10/10)	Kohlschreiber (5/5)
Estoril/Oeiras	Montañés (1/5)	Montañés (3/5)	del Potro (3/8)	del Potro (5/8)	Wawrinka (3/7)	Berlocq (2/2)	Gasquet (7/9)	Almagro (8/8)
Istanbul	Not an event						Federer (6/6)	Schwartzman (1/1)
Geneva	Not an event						Bellucci (4/4)	Wawrinka (7/7)
Nice	Not an event	Gasquet (1/9)	Almagro (5/8)	Almagro (7/8)	Montañés (5/5)	Gulbis (6/6)	Thiem (1/6)	Thiem (5/6)
's-Hertogenbosch	Becker (1/1)	Stakhovsky (2/3)	Tursunov (2/2)	Ferrer (4/10)	Mahut (1/4)	Bautista Agut (1/5)	Mahut (3/4)	Mahut (4/4)
Stuttgart	Chardy (1/1)	Montañés (4/5)	Ferrero (5/5)	Tipsarević (3/4)	Fognini (1/3)	Bautista Agut (2/5)	Nadal (4/4)	Thiem (6/6)
Eastbourne	Tursunov (1/2)	Llodra (2/2)	Seppi (1/3)	Roddick (2/3)	López (2/4)	López (3/4)	Not an event
Antalya	Not an event
Newport	Ram (1/2)	Fish (2/4)	Isner (2/10)	Isner (4/10)	Mahut (2/4)	Hewitt (4/4)	Ram (2/2)	Karlovic (3/4)
Båstad	Söderling (1/4)	Almagro (1/8)	Söderling (4/4)	Ferrer (5/10)	Berlocq (1/2)	Cuevas (1/4)	Paire (1/1)	Ramos-Vinolas (1/1)
Umag	Davydenko (1/4)	Ferrero (4/5)	Dolgopolov (1/2)	Čilić (7/12)	Robredo (5/5)	Cuevas (2/4)	Thiem (2/6)	Fognini (3/3)
Gstaad	Bellucci (1/4)	Almagro (2/8)	Granollers (1/2)	Bellucci (3/4)	Youzhny (5/5)	Andújar (3/3)	Thiem (3/6)	López (4/4)
Atlanta/Indianapolis	Ginepri (1/1)	Fish (3/4)	Fish (4/4)	Roddick (3/3)	Isner (7/10)	Isner (9/10)	Isner (10/10)	Kyrgios (2/2)
Kitzbühel	García-López (1/5)	ATP Challenger Tour	Haase (1/2)	Haase (2/2)	Granollers (2/2)	Goffin (1/2)	Kohlschreiber (4/5)	Lorenzi (1/1)
Los Cabos	Not an event							Karlovic (4/4)
New Haven/Winston-Salem	Verdasco (1/4)	Stakhovsky (3/3)	Isner (3/10)	Isner (5/10)	Melzer (3/3)	Rosol (2/2)	Anderson (3/3)	Carreno Busta (1/2)
Taiwan	Not an event			ATP Challenger Tour
St. Petersburg	Stakhovsky (1/3)	Kukushkin (1/1)	Čilić (5/12)	Kližan (1/3)	Gulbis (4/6)	Not an event	Raonic (6/7)	A. Zverev (1/2)
Shenzhen	Not an event					Murray (8/10)	Berdych (5/7)	Berdych (7/7)
Chengdu	Not an event							Khachanov (1/1)
Moscow	Youzhny (1/5)	Troicki (1/3)	Tipsarević (2/4)	Seppi (3/3)	Gasquet (5/9)	Čilić (11/12)	Cilic (12/12)	Carreno Busta (2/2)
Stockholm	Baghdatis (1/2)	Federer (1/6)	Monfils (3/4)	Berdych (3/7)	Dimitrov (1/5)	Berdych (4/7)	Berdych (6/7)	del Potro (8/8)
Antwerp	Not an event							Gasquet (9/9)
PREVIOUS TOURNAMENTS
Johannesburg	Tsonga (1/8)	López (1/4)	Anderson (1/3)	Not an event
Belgrade	Djokovic (1/4)	Querrey (2/6)	Djokovic (2/4)	Seppi (2/3)	Not an event
Los Angeles	Querrey (1/6)	Querrey (4/6)	Gulbis (2/6)	Querrey (5/6)	Not an event
San Jose	Štěpánek (2/2)	Verdasco (2/4)	Raonic (1/7)	Raonic (3/6)	Raonic (4/7)	Not an event
Bangkok	Simon (1/6)	García-López (2/5)	Murray (4/10)	Gasquet (2/9)	Raonic (5/7)	Not an event
Viña del Mar	González (1/1)	Bellucci (2/4)	Robredo (3/5)	Mónaco (1/5)	Zeballos (1/1)	Fognini (2/3)	Not an event
Düsseldorf	Team Event				Mónaco (4/5)	Kohlschreiber (3/5)	Not an event
Halle	Haas (1/4)	Hewitt (2/4)	Kohlschreiber (1/5)	Haas (2/4)	Federer (3/6)	Federer (4/6)	ATP World Tour 500 series
London	Murray (2/10)	Querrey (3/6)	Murray (3/10)	Čilić (6/12)	Murray (7/10)	Dimitrov (3/5)	ATP World Tour 500 series
Vienna	Melzer (1/3)	Melzer (2/3)	Tsonga (4/8)	del Potro (6/8)	Haas (4/4)	Murray (9/10)	ATP World Tour 500 series
Zagreb	Čilić (2/12)	Čilić (4/12)	Dodig (1/1)	Youzhny (4/5)	Čilić (8/12)	Čilić (9/12)	Garcia-Lopez (4/5)	Not an event
Bogota	Not an event				Karlović (1/4)	Tomic (2/3)	Tomic (3/3)	Not an event
Valencia	ATP World Tour 500 series						Sousa (2/2)	Not an event
Kuala Lumpur	Davydenko (2/4)	Youzhny (3/5)	Tipsarević (1/4)	Mónaco (3/5)	Sousa (1/2)	Nishikori (2/4)	Ferrer (10/10)	Not an event
Bucharest	Montañés (2/5)	Chela (2/2)	Mayer (1/1)	Simon (4/6)	Rosol (1/2)	Dimitrov (2/5)	Garcia-Lopez (5/5)	Verdasco (4/4)	Không tỏ chứ
Nottingham	ATP Challenger Tour						Istomin (1/1)	Johnson (1/1)	Không tổ chức
Metz	Monfils (1/4)	Simon (2/6)	Tsonga (3/8)	Tsonga (6/8)	Simon (5/6)	Goffin (2/2)	Tsonga (8/8)	Pouille (1/1)	không tổ chức

• ATP World Tour Masters 1000
• ATP World Tour 500