Aljaz Bedene, a late entry into the main draw, collected an upset win Tuesday in the first round of the ATP's Power Horse Cup tennis tournament in Germany.
Ivan Dodig claimed a second-round upset of No. 2-seeded Marin Cilic in Wednesday's play at the BMW Open tennis tournament in Germany.
Radek Stepanek and Gael Monfils came away with first-round upset wins Tuesday at the BMW Open tennis tournament in Germany.
Lukas Rosol posted a four-set victory Sunday that lifted the Czech Republic into the semifinals of the Davis Cup with a series win over Kazakhstan.
Jan Hajek and Lukas Rosol posted wins Friday that put the Czech Republic up 2-0 in its best-of-five Davis Cup quarterfinal versus Kazakhstan.
Defending champion Czech Republic will use Jan Hajek and Lukas Rosol for its Davis Cup singles matches this week in a quarterfinal series in Kazakhstan.
Andrey Golubev posted his second singles win of the weekend in clinching a Davis Cup series win for Kazakhstan Sunday over Austria.
Julian Knowle and Alexander Peya teamed for a doubles win Saturday that kept Austria alive in a best-of-five Davis Cup series versus Kazakhstan.
Straight-set victories Friday by Andrey Golubev and Evgeny Korolev have Kazakhstan on the verge of a Davis Cup first-round series win over Austria.