John Millman has set aside his Davis Cup disappointment to reach the last 16 of the Open Sud de France in Montpellier.
The 28-year-old Queenslander caused a major upset when he eliminated No.8 seed Yuichi Sugita in three sets, to set up a last 16 clash with Frenchman Benoit Paire.
After losing the first set 7-5, Millman took the next two sets 6-3 and 6-4.
The win ended a disappointing period for the world No.109, who was omitted for rising star Alex de Minaur (world No.139) in Australia's Davis Cup team which lost to Germany last week.
Meanwhile top-seeded David Goffin of Belgium reached the quarter-finals beating French veteran Gilles Simon 6-4 6-2.
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The 33-year-old Simon had won two of their three previous matches but dropped his serve six times.
Sixth-seeded Russian Andrey Rublev joined Goffin in the last eight with a 6-2 6-1 win against Frenchman Jeremy Chardy.
In remaining first-round play, fifth-seeded Richard Gasquet of France swept aside Daniil Medvedev of Russia 6-0 6-3.
Gasquet did not face a break point and next plays Pierre-Hugues Herbert, who won 7-6 (7-4) 6-7 (7-5) 6-4 against Kenny De Schepper in an all-French match.
Ruben Bemelmans of Belgium took only 50 minutes to beat French wild-card entry Calvin Hemery 6-1 6-2.
