The ATP 250 tournaments are the lowest tier of annual men's tennis tournaments on the main ATP Tour, after the four Grand Slam tournaments, ATP Finals, ATP Masters 1000 tournaments, and ATP 500 tournaments. As of 2020, the series includes 39 tournaments, with 250 ranking points awarded to each singles champion—which accounts for the name of the series. Draws consist of 28, 32, or 48 for singles and 16 for doubles. Thomas Muster holds the record for most singles titles at 26, while Mike Bryan holds the record for most doubles titles won with 46.
The 1998 Stockholm Open was an ATP men's tennis tournament played on indoor hard courts and held at the Kungliga tennishallen in Stockholm, Sweden. It was the 30th edition of the event and part of the ATP International Series of the 1998 ATP Tour. The tournament was held from 9 November through 15 November 1998. Unseeded Todd Martin won the singles title.
The 1999 Stockholm Open was an ATP men's tennis tournament played on hard courts and held at the Kungliga tennishallen in Stockholm, Sweden. It was the 31st edition of the event and part of the ATP World Series of the 1999 ATP Tour. The tournament was held from 8 November until 14 November 1999. First-seeded Thomas Enqvist won the singles title.
The 2014 Stockholm Open was a professional men's tennis tournament played on indoor hard courts. It was the 46th edition of the tournament, and part of the ATP World Tour 250 series of the 2014 ATP World Tour. It took place at the Kungliga tennishallen in Stockholm, Sweden between 13 and 19 October 2014.
The 2016 ATP World Tour was the global elite professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2016 tennis season. The 2016 ATP World Tour calendar comprised the Grand Slam tournaments, the ATP World Tour Masters 1000s, the ATP World Tour 500 series, the ATP World Tour 250 series, the Davis Cup, and the ATP World Tour Finals. Also included in the 2016 calendar were the tennis events at the 2016 Summer Olympics and Hopman Cup, neither of which distributed ranking points.
The 2017 ATP World Tour was the global elite men's professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2017 tennis season. The 2017 ATP World Tour calendar comprised the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP Finals, the ATP World Tour 500 series, the ATP World Tour 250 series and the Davis Cup. Also included in the 2017 calendar are the Hopman Cup and the Next Gen ATP Finals, which do not distribute ranking points.
The 2020 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2020 tennis season. The 2020 ATP Tour calendar was composed of the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP Tour 500 series, the ATP Tour 250 series, and the Davis Cup. Also included in the 2020 calendar were the tennis events at the Next Generation ATP Finals, and the Laver Cup, neither of which distributed ranking points. Several tournaments were suspended or postponed due to the COVID-19 pandemic, including the Summer Olympics in Tokyo. On 17 June 2020, ATP issued the revised calendar for Tour resumption.
Brandon Nakashima is an American professional tennis player. He has been ranked as high as world No. 49 in singles by the Association of Tennis Professionals (ATP), which he achieved in June 2022. He also reached a career-high doubles ranking of No. 396 that same month.
The 2019 Oracle Challenger Series – Indian Wells is a professional tennis tournament played on outdoor hard courts. It's the second edition of the tournament, which is part of the 2019 ATP Challenger Tour and the 2019 WTA 125K series. It took place from February 25 – March 3, 2019 in Indian Wells, United States.
The 2019 Sarasota Open was a professional tennis tournament played on clay courts. It was the 11th edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Sarasota, Florida, United States between 15 and 21 April.
The 2021 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2021 tennis season. The 2021 ATP Tour calendar comprised the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP Tour 500 series and the ATP Tour 250 series. Also included in the 2021 calendar were the Davis Cup, the Summer Olympics in Tokyo, Next Gen ATP Finals, Laver Cup, none of which distributed ranking points.
The 2019 Tallahassee Tennis Challenger was a professional tennis tournament played on green clay courts. It was the 20th edition of the tournament and was part of the 2019 ATP Challenger Tour. It took place in Tallahassee, Florida, United States between 22 and 28 April 2019.
Holger Vitus Nødskov Rune is a Danish professional tennis player. He has been ranked as high as world No. 27 in singles by the Association of Tennis Professionals (ATP), which he first achieved on 18 July 2022. Rune has won one ATP Tour singles title and he produced his best Grand Slam performance at the 2022 French Open by reaching the quarterfinals in his main draw debut at the tournament.
The 2019 Oracle Challenger Series – Houston was a professional tennis tournament played on outdoor hard courts. This tournament was part of the 2019 ATP Challenger Tour and the 2019 WTA 125K series. The second edition took place at the George R. Brown Tennis Center from November 10 to 17, 2019 in Houston, United States.
Mukund Sasikumar is an Indian tennis player.
The 2020 European Open was a men's tennis tournament played on indoor hard courts. It was the fifth edition of the European Open and part of the ATP Tour 250 series of the 2020 ATP Tour. It took place at the Lotto Arena in Antwerp, Belgium, from October 19 to October 25.
Luca Nardi is an Italian professional tennis player.
The 2021 Orlando Open was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Orlando, United States between 12 and 18 April 2021.
The 2021 Little Rock Challenger was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Little Rock, Arkansas, United States from 31 May to 6 June 2021.
The 2022 ATP Tour is the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2022 tennis season. The 2022 ATP Tour calendar comprises the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP 500 series and the ATP 250 series. Also included in the 2022 calendar are the Davis Cup, Wimbledon, the Next Gen ATP Finals, and Laver Cup, none of which distribute ranking points.
United States 