PORTLAND — The Thornton Academy doubles team of Katie Senechal and Emily Harris battled their way through a large and talented field to capture the 2015 SMAA Girls Tennis Doubles Championship on Saturday at Deering Oaks Park in Portland.

Senechal and Harris, who were the top seed, had a bye into the second round where they would pick up a 7-5, 6-4 win over Scarborough’s Emily Keenan and Kaicee Flaherty.

The TA duo would then cruise to a 6-3, 6-2 win over South Portland’s Ellen Stanton and Maggie Koukos in the quarterfinals.

In their semifinals match, Senechal and Harris dominated Marshwood’s Sophie Towle and Renee Clavette 6-2, 6-3 to earn a trip to the finals.

The finals match would be the toughest yet for the Trojans as they battled Scarborough’s Bryce Nitchman and Jenny Hermann, who had taken down the second-seed in the semifinals.

Senechal and Harris would drop their first set to the Scarborough pair 6-4, but would cruise to a 6-1 win in the second set. The Trojans duo would go on to win the match in a tiebreaker.

Thornton Academy had another team reach the quarterfinals as Emily Ribaudo and Emma Nassif won two matches before falling to Portland’s Hallie Repeta and Maggie Denekas.

Massabesic’s Michelle Radley and Thyme Witten won their opening round match before falling to Nitchman and Hermann.

Biddeford had three teams competing with all three falling in the opening round.