Andrea Petkovic; Credit: Jan McIntyre

On Tuesday at the 2017 BGL BNP Paribas Luxembourg Open tennis championship at the CK Sport Centre in Kockelscheuer, a joyful Andrea Petkovic emerged the victor in an emotionally-charged match.

The epic battle saw the German wildcard battle her way to the last point to down Croatian Petra Martic in three sets 6-1, 3-6, 7-6(5).

In other matches, top seeded Angelique Kerber (Ger) lost 6-3, 6-4 to Monica Puig (Pur), Britain's Naomi Broady defeated Tatjana Maria (Ger) 6-2, 6-2, 3rd seed Anett Kontaveit (Est) defeated Jana Cepelova (Svk) 6-0, 6-2, Britain's Heather Watson defeated Belgium's Yanina Wickmayer, 6-2, 6-1, america's Madison Brengle defeated Lara Arruabarenna (Esp), 6-2, 6-2, 5th seed Elise Mertens (Bel) defeated Spain's Sara Sorribes Tormo, 6-0, 6-2, Sweden's Johanna Larsson defeated Canada's Eugenie Bouchard, 2-6, 6-2, 6-3, Carina Witthoeft (Ger) defeated the 8th seed Vavara Lepchenko (USA), 7-6, 2-6, 7-6.

The first Last-16 matches commence on Wednesday.