Second seed Prajnesh Gunneswaran was beaten 6-3, 1-6, 6-4 by Steven Diez of Canada in the pre-quarterfinals of the €44,820 Challenger tennis tournament in Portugal on Thursday.

In doubles quarterfinals, Sriram Balaji in partnership with Luca Margaroli of Switzerland was beaten in two tie-breaks by the second seeds Hunter Reese and Sem Verbeek.

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The results:

€44,820 Challenger, Porto, Portugal Singles (pre-quarterfinals): Steven Diez (Can) bt Prajnesh Gunneswaran
6-3, 1-6, 6-4.

Doubles (quarterfinals): Hunter Reese (US) & Sem Verbeek (Ned) bt Luca Margaroli (Sui) & Sriram Balaji 7-6(5), 7-6(4).

$25,000 ITF women, Palma del Rio, Spain Singles (first round): Marina Bassols Ribera (Esp) bt Riya Bhatia 7-5, 6-4.