Upper Austria Ladies Linz is a women's tennis tournament played in Linz, Austria. It is part of the International category and is played on the indoor hard courts of the TipsArena until 2021.
In 2020 it was the first fully WTA tournament to use live Hawk-eye an advanced version of the ball calling and foot ball system. The 2022 edition was not played because the tournament underwent a small revolution, changing the date of the event, returning to the February date it had in the years 1991-98, to have a more stable entry list and with athletes and more fit compared to the usual year-end date, and also changed the venue of the tournament, moving to the Design Center.
The tournament is organized by Sandra and Peter-Michael Reichel, the former is also the director of the tournament, while the latter is the European representative in the WTA board. The tournament in Linz is the second oldest women's indoor tournament in the world.
Tournament born as ITF $10,000 in the Austrian town of Wels where the first 4 editions will be played. Later the tournament moved to Linz in 1991 on indoor carpet courts where it was played in February until 1998, and subsequently it will be moved to the end of the year until the 2021 edition, and will be played on indoor hard courts from 2001.
Initially it was recognized as a Tier V category WTA tournament for the 1992 and 1993 editions, then as Tier III in the editions from 1993 to 1997. In 1998 it became Tier II until 2009, when it moved to the WTA International category. Since 2021 it has been part of the newly established category, WTA 250.