There was no shortage of close matches during the opening day of the annual Hub City Open Tennis Tournament at the Northern State Courts on Saturday.

After a two-hour rain delay to start the day, action heated up on the courts with six matches decided on super-tiebreakers. There were also five tiebreakers on the day, including two in one match.

Action concludes today with semifinals and finals in singles, doubles and mixed doubles. The first matches begin at 8 a.m.

MEN’S DIVISION

4.5 Singles

Jack Riggs def. Hunter Miller, 6-2, 6-1; Michael Frohling def. AJ Prehn, 3-6, 6-2, (10-4).

3.5 Singles

Jack Bain def. Phil Swiggum, 2-6, 7-6 (7-3), retired; Gannon Pederson def. Conner Miller, 6-0, 6-1.

Open Doubles

Don Peck-John Vogel def. AJ Prehn-Palmer Johnson, 6-2, 3-6, (10-3); Josh Hadler-Gregg Magera def. Peck-Vogel, 6-2, 6-1; Gabe Goetz-Zach Gonsor def. Colton Hellwig-Ron Meier, 7-6 (7-5), 7-6 (7-3).

8.0 Doubles

Jack Bain-Kevin Bain def. Keith Lauder-Craig Wells, 6-2, 6-1; Cason Hellwig-Jack Riggs def. Michael Frohling-Hunter Miller, 6-0, 6-4.

WOMEN’S DIVISION

Open Singles

Brianna Metzger def. Julia Knie, 6-3, 6-3; Livia Douglas def. Carly Comstock, 6-4, 5-7, (10-4); Alice Vogel def. Hallie Haskell, 6-4, 4-6, (12-10); Emily Ringgenberg def. Avery Tennant, 6-2, 6-4.

4.5 Singles

River Haskell def. Jenna Joachim, 6-4, 5-7, (10-8).

Open Doubles

Emily Ringgenberg-Alice Vogel def. River Haskell-Raley Haskell, 6-1, 6-3; Jenna Joachim-Avery Tennant def. Julia Knie-Addison O’Keefe, 7-6 (7-6), 6-4.

MIXED DOUBLES

Open

Josh Hadler-Avery Tennant def. Ron Meier-Hallie Haskell, 6-3, 6-2; John Vogel-Alice Vogel def. Gregg Magera-Julia Knie, 6-1, 1-6, (10-6); Todd Metzger-Brianna Metzger, Bismarck, def. Zach Gonsor-Addison O’Keefe, 6-4, 6-2; Colton Hellwig-Emily Ringgenberg def. Hadler-Tennant, 6-4, 6-4; Metzger-Metzger def. Vogel-Vogel, 7-6 (11-9), 6-2.

8.0

Dave Vilhauer-Lauretta Vilhauer def. Aric Tennant-Jenna Joachim, 6-1, 6-4.