Boys’ 12 Doubles semifinal round

Henry Hawk/Kasper Smith def. Carter Harrington/Jett Middleton (2) 7-5, 6-1; George Kandel/Laird Stewart def. Kosta Garger/Daniel Guiot (1) 6-0, 3-6, 1-0(6).

Boys’ 12 Singles semifinal round

Carter Harrington (6) Aurora, def. Quinn Bermingham Denver, 5-7, 7-6(3), 1-0(6); Kasper Smith (3) Boulder, def. Daniel Guiot (1) Denver, 6-0, 6-1.

Boys’ 14 Doubles semifinal round

Ethan Hillis/Erin Norwood (1) def. Charlie Franks/Patrick Seby 6-0, 6-2; Erich Nuss/Chanon Penvari def. Mitchell Johnson/Jack Moldenhauer 6-0, 6-2.

Boys’ 14 Singles semifinal round

Jackson Hawk (1) Boulder, def. Harshil Dwivedi (3) Englewood, 6-1, 6-2; Ben Antonsen (4) Highlands Ranch, def. Richter Jordaan Cherry Hills Village, 6-1, 6-1.

Boys’ 16 Doubles quarterfinal round

Ignatius Castelino/Teller Hoskins def. Jackson Hawk/Max Petrak 6-3, 1-6, 1-0(5).

Boys’ 16 Doubles semifinal round

Ignatius Castelino/Teller Hoskins def. William Gold/Alec Leddon (1) 6-4, 6-1; Jonathan Dollahite/Casey Ross (2) def. Joseph Bove/Benjamin Paddor 6-2, 6-0.

Boys’ 16 Singles semifinal round

Jonathan Dollahite (8) Orem, UT def. William Gold (1) Denver, 4-6, 6-2, 1-0(7); Tommy Mason (3) Boulder, def. Allen Fu Longmont, 6-3, 6-4.

Boys’ 18 Doubles semifinal round

Joseph Diaz/Justin Nguyen (1) def. Johnny Combs/Eli Winegardner 6-3, 3-6, 1-0(5); Eliot Guin/Kyle Schuster def. Jonathan Kaufman/William Son (2) 6-4, 6-3.

Boys’ 18 Singles semifinal round

Jake Sheldon (4) Parker, def. Ignatius Castelino Superior, 2-6, 6-3, 1-0(5); Nickolas Cunningham (5) Litchfield Park, AZ def. Max Roder (2) Steamboat Springs, 6-4, 6-3.

Girls’ 12 Doubles round robin

Rachel Nguyen/Isabel Pan def. Emily Creek/Georgia Lang 6-0, 6-1

Girls’ 12 Singles semifinal round

Ky Ecton (2) Fort Collins, def. Isabel Pan Highlands Ranch, 6-0, 6-1; Natalie Bronsdon (1) Highlands Ranch, def. Julia Pentz Niwot, 6-4, 6-2.

Girls’ 14 Doubles semifinal round

Seraphin Castelino/Anshika Singh (2) def. Bailey Koronich/Shawnea Pagat 6-1, 6-2; Grace Koza/Casey Zhong (1) def. Tara Edwards/Natalie Hagan 6-0, 4-6, 1-0(6).

Girls’ 14 Singles semifinal round

Caroline Kawula (1) Englewood, def. Shawnea Pagat Fort Collins, 7-5, 6-7, 1-0(6); Casey Zhong (2) Highlands Ranch, def. Annie Chen Boulder, 6-1, 6-3.

Girls’ 16 Doubles semifinal round

Jessica Aragon/Alex Pessoa def. Gloria Son/Alexandra Weil (1) 6-0, 6-2; Caroline Kawula/Rachael Scheper def. Kaitlyn Motley/Andrea Motley (2) 6-3, 6-0.

Girls’ 16 Singles semifinal round

Bria Smith (2) Denver, def. Daniela Adamczyk (4) Colorado Springs, 3-6, 6-1, 1-0(3); Alexandra Weil (1) Cherry Hills Village, def. Gloria Son (3) Aurora, 6-4, 6-2.

Girls’ 18 Doubles semifinal round

Heidi Dodgers/alexandra purfield def. Jessee Clauson/Kathleen Kuosman (2) Wd (emerg); Madison Gallegos/Gloria Son def. Shelby Cerkovnik/Callie Morlock (1) 6-3, 6-1.

Girls’ 18 Singles semifinal round

Kathryn Hall (4) Greenwood Village, def. Shelby Cerkovnik (1) Highlands Ranch, 1-6, 6-1, 1-0(5); Madeline Cunningham Litchfield Park, AZ def. Jessee Clauson (2) Boulder, 6-1, 6-3.

Mixed 12 Doubles quarterfinal round

Natalie Bronsdon/Laird Stewart def. Seraphin Castelino/Henry Hawk 6-7, 6-4, 1-0(8).

Mixed 12 Doubles semifinal round

Kosta Garger/Anshika Singh (1) def. Tatum Burger/Teague Burger 4-6, 6-4, 1-0(6); Natalie Bronsdon/Laird Stewart def. Ky Ecton/James Hunsinger (2) 4-6, 3-1 Ret (em).

Mixed 14 Doubles semifinal round

Jessica Aragon/Mitchell Johnson def. Alex Pessoa/Patrick Seby 6-4, 2-6, 1-0(6); Madison Gallegos/Erin Norwood (1) def. Tom Melville/Amber Shen 6-2, 6-3.

Mixed 16 Doubles semifinal round

Ignatius Castelino/Katie Li (1) def. Natalie Hagan/Eric Kwiatkowski 6-1, 6-0; Teller Hoskins/Madeline Roberts def. Jacob Fell/Gillian Hyde 5-7, 6-4, 1-0(7).

Mixed 18 Doubles semifinal round

Madeline Cunningham/Nickolas Cunningham (1) def. William Son/Gloria Son 4-6, 6-2, 1-0(6); Taylor Macres/Michelle Phillips (2) def. Jessee Clauson/Jackson Hawk 6-7(5), 6-2, 1-0(6).