Thomas Engert is a German professional pool player. Engert won the 2004 International Challenge of Champions beating fellow German Thorsten Hohmann in the finals. When he returned to the tournament one year later, Engert was close to winning it for the second consecutive time but Chao Fong-pang, who was then the two-time winner of the event, defeated him in the finals.
The Almaty Challenger is a professional tennis tournament played on clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held annually in Almaty, Kazakhstan since 2017.
The Gujarat Kensville Challenge was a golf tournament on the Challenge Tour and the Professional Golf Tour of India, played in India. It was held for the first time in January 2011 at Kensville Golf and Country Club in Ahmedabad, Gujarat, and was the season opening event on the tour. It was last played in 2013.
The Hong Kong ATP Challenger is a tennis tournament held in Hong Kong since 2015. The event is part of the ATP Challenger Tour and is played on outdoor hard courts.
The Manila Challenger was a tennis tournament held in Manila, Philippines 2016. The event is part of the ATP Challenger Tour and is played on outdoor hard courts. The inaugural tournament of the Manila Challenger was held at the newly refurbished Rizal Memorial Tennis Center in Manila on January 18–24, 2016 with local players and experienced ATP-ranked tennis players vying for the top prize of $75,000 dollars.
The Poprad-Tatry ATP Challenger Tour was a tennis tournament held in Poprad, Slovakia since 2015 to 2018. The event was part of the ATP Challenger Tour and was played on outdoor clay courts. In 2018 the tournament was moved to Bratislava.
The Columbus Challenger is a professional tennis tournament played on hard courts. It is currently part of the ATP Challenger Tour and WTA 125K series. The ATP event is held annually in Columbus, Ohio, U.S.A, as it has been since 2015, the tournament's start. The women's edition started in 2021.
The Monterrey Challenger is a professional tennis tournament played on hard courts. It is currently part of the ATP Challenger Tour. It is held annually in Monterrey, Mexico since 2015.
The Brest Challenger is a professional tennis tournament played on hard courts. It is currently part of the ATP Challenger Tour. It is held annually in Brest, France since 2015.
The Hungarian Challenger Open is a professional tennis tournament played on hard courts. It is currently part of the ATP Challenger Tour. It is held annually in Budapest, Hungary since 2016.
The International Challenger Quanzhou was a professional tennis tournament played on hard courts. It was part of the ATP Challenger Tour. It was held in Quanzhou, China in 2017.
The Oracle Challenger Series – Indian Wells is a professional tennis tournament played on hard courts. It is currently part of the ATP Challenger Tour and the WTA 125K series. It is held annually in Indian Wells, California, United States since 2018. The two American men and two American women with the most points in the series receive wild cards to their respective singles events at the Indian Wells Masters.
The Euram Bank Open is a golf tournament on the Challenge Tour. It was first played in July 2018 at Golf Club Adamstal in Ramsau, Austria. Adamstal hosted the MAN NÖ Open on the Challenge Tour from 2006 to 2008.
The Oracle Challenger Series – Houston is a professional tennis tournament played on hard courts. It is currently part of the ATP Challenger Tour and the Women's Tennis Association (WTA) 125K series. It is held annually in Houston, United States since 2018. The ATP Challenger Tour returned to Houston, Texas for the first time since 2001, with the inaugural Oracle Challenger Series Houston making its debut in November. Held on the campus of Rice University, at the new $9 million George R. Brown Tennis Complex. Houston is will become one of just two U.S. cities to host tournaments on both the ATP World Tour and ATP Challenger Tour, with the ATP World tour tournament being the U.S. Men's Clay Court Championships. The Oracle Challenger Series – Houston is the second stop for the Oracle Challenger Series calendar. The winner of the Oracle Challenger Series earns a wild card into Indian Wells Masters.
The Murcia Open is a professional tennis tournament played on clay courts. It is currently part of the ATP Challenger Tour. It is held annually in Murcia, Spain since 2019.
The Bratislava Open is a professional tennis tournament played on clay courts.
The Emilia-Romagna Open is a professional tennis tournament played on clay courts. It is currently part of the WTA Tour for women and minor league ATP Challenger Tour for men. It is held annually in Montechiarugolo, Parma, Italy since 2021 and 2019.
The Nur-Sultan Challenger is a professional tennis tournament played on indoor hardcourts. It is currently part of the ATP Challenger Tour and the ITF Women's World Tennis Tour, and held annually in Nur-Sultan, Kazakhstan since 2019.
The Maia Challenger is a professional tennis tournament played on clay courts. It is currently part of the ATP Challenger Tour. It is held annually in Maia, Portugal since 2019.
The Challenger de Tigre is a professional tennis tournament played on clay courts. It is currently part of the ATP Challenger Tour. It is held annually in Tigre, Argentina since 2022.
Craig Hainline 
