Kubasaki's Aden Leggio hits a forehand return during Thursday's Okinawa tennis matches. Leggio and his partner Kai Grubbs beat Kadena's Justin Saavedra and Matt Steele 6-3. (Dave Ornauer/Stars and Stripes)

Kubasaki's Aden Leggio hits a forehand return during Thursday's Okinawa tennis matches. Leggio and his partner Kai Grubbs beat Kadena's Justin Saavedra and Matt Steele 6-3. (Dave Ornauer/Stars and Stripes)

Kubasaki's Kai Grubbs smacks a forehand return during Thursday's Okinawa tennis matches. Grubbs and his partner Aden Leggio beat Kadena's Justin Saavedra and Matt Steele 6-3. (Dave Ornauer/Stars and Stripes)

Kadena's Justin Saavedra hits a forehand return during Thursday's Okinawa tennis matches. Saavedra and his partner Matt Steele lost 6-3 to Kubasaki's Kai Grubbs and Aden Leggio. (Kaleb Albert/Special to Stripes)

Kadena's Matt Steele hits a forehand return during Thursday's Okinawa tennis matches. Steele and his partner Justin Saavedra lost 6-3 to Kubasaki's Kai Grubbs and Aden Leggio. (Kaleb Albert/Special to Stripes)

Humphreys' Hanna Chung pounds for the finish line of Wednesday's Korea cross country race at Seoul International School. Chung finished fifth with a personal-best time of 22 minutes, 53 seconds. (Claire Anderson/Special to Stripes)

Timothy Kilburn of Humphreys crosses the finish line first in Wednesday's Korea cross country race at Seoul International School; he clocked 17 minutes, 32 seconds. (Claire Anderson/Special to Stripes)

Nile C. Kinnick's Charlize Uptegrove sets against Christian Academy Japan during Tuesday's Kanto Plain volleyball match, won by the Red Devils in four sets. (Brenna McNeil/Special to Stripes)

Nile C. Kinnick's Kiana Johnson goes up to block Christian Academy Japan's Mari Mosaku during Tuesday's Kanto Plain girls volleyball match, won by the Red Devils in four sets. (Brenna McNeil/Special to Stripes)

Nile C. Kinnick's Ernestina Roberts and Madelyn Gallo double block Christian Academy Japan's Rachel Nelson during Tuesday's Kanto Plain girls volleyball match, won by the Red Devils in four sets. (Brenna McNeil/Special to Stripes)

Nile C. Kinnick's Madelyn Gallo spikes against Christian Academy Japan's Rina Seminoff and Rachel Nelson during Tuesday's Kanto Plain girls volleyball match, won by the Red Devils in four sets. (Brenna McNeil/Special to Stripes)

Christian Academy Japan's Mari Mosaku and Nile C. Kinnick's Charley "Anela" Lau battle for the ball at the net during Tuesday's Kanto Plain girls volleyball match, won by the Red Devils in four sets. (Dave Ornauer/Stars and Stripes)

Nile C. Kinnick's Kylie Martin receives serve against Christian Academy Japan during Tuesday's Kanto Plain girls volleyball match, won by the Red Devils in four sets. (Dave Ornauer/Stars and Stripes)

Nile C. Kinnick's Alana Lucas reaches down to dig the ball against Christian Academy Japan during Tuesday's Kanto Plain girls volleyball match, won by the Red Devils in four sets. (Dave Ornauer/Stars and Stripes)

High school

Cross country South KoreaWednesday at Seoul International School, Seongnam (3.12-mile course)Boys Korea International 27, Humphreys 28 Humphreys 22, Seoul International 34 Gyeonggi Suwon 21, Korea Kent Foreign 37 Yongsan 24, Gyeonggi Suwon 35 Seoul International 22, Yongsan 35 Korea International 21, Seoul International 36 1, Timothy Kilburn, Humphreys, 17 minutes, 32 seconds; 2, Wonjun Jang, KIS, 17:41; 3, Devyn Lewis, Humphreys, 17:51; 4, Yuito Kimura, GSIS, 18:14; 5, Hansei Jang, KIS, 18:15; 6, Ian Kim, KIS, 18:16; 7, Thomas Song, SIS, 18:25; 8, Francesco Hamar, YIS-Seoul, 18:26; 9, Javi Diaz-Schultz, SIS, 18:27; 10, Sehwa Jung, KIS, 18:36.Girls Korea International 19, Seoul International 44 Seoul International 27, Yongsan 32 Humphreys 26, Seoul International 29 Seoul International 19, Osan 44 Humphreys 21, Yongsan 34 Korea International 17, Humphreys 46 1, Michelle Lee, KIS, 21 minutes, 12 seconds; 2, Talin Tyvand, SIS, 22:00; 3, Roori Lee, KIS, 22:36; 4, Jin Lee, KIS, 22:48; 5, Hanna Chung, Humphreys, 22:53; 6, Hana Yoo, KIS, 23:20; 7, Siyoung Ahn, KIS, 23:34; 8, Miru Jun, KIS, 23:49; 9, Gina Lee, KIS, 23:59; 10, Megan Yi, Humphreys, 24:10.

Tennis OkinawaThursday at Kadena Air BaseBoys Singles Cael Perry, Kubasaki, def. Evan Davis, Kadena, 6-1; Colin Lundberg, Kubasaki, def. Matt Steele, Kadena, 6-2; Brett Davis, Kadena, def. Henry Luksc, Kubasaki, 6-4; R.J. Smola, Kadena, def. Aden Leggio, Kubasaki, 6-4; Justin Saavedra, Kadena, def. Kai Grubbs, Kubasaki, 7-6 (7-5).Doubles Grubbs-Leggio def. Saavedra-Steele 6-3, Smola-B. Davis def. Lundberg-Luksc 6-1; Kai Croghan-Perry def. E. Davis-Nathan Asato 7-6 (8-6).Girls Singles Lisa Dombrowski, Kadena, def. Chante Broomes, Kubasaki, 6-2; Ally Johnson, Kadena, def. Natalie Mulherin, Kubasaki, 6-0; Willow Lewis, Kubasaki, def. Noelle Asato, Kadena, 6-2; Natalie Oboza, Kubasaki, def. Hana Brienes, Kadena, 6-2; Mayann Rivera, Kadena, def. Marissa Corn, Kubasaki, 6-2.Doubles Dombrowski-Johnson def. Broomes-Lewis 6-3; Asato-Rivera def. Corn-Arisa Manuel 6-2; Mai Woodcock and Christine Ryan, Kadena, def. Oboza-Mulherin 7-6 (7-4).

JapanWednesday at Yokosuka Naval BaseBoys Nile C. Kinnick 4, Christian Academy Japan 1 Singles Daniel Posthumus, Kinnick, def. Shun Tanaka 8-0; Matthew Manson, Kinnick, def. Hyugo Ishikawa 8-1; June Byun, CAJ, by walkover.Doubles Bodhi Kuiper and Justin Crouch, Kinnick, def. Joel Nakazawa and Peter Junker 8-1; Samuel Rexrode and Mitchel Kiszenia, Kinnick, by walkover.Girls Kinnick 4, CAJ 1 Singles Aleigh Lamis, Kinnick, def. Kiara McLain 8-7 (9-7); Amary-Gail Perfecto, Kinnick, def. Jenny Sung 8-5; Mae Sussman, CAJ, def. Sarah Beth Logan 8-4.Doubles Cassi Boyer and Qiana Fowler, Kinnick, def. Miyuki Yamakawa and JaeEun Shun 8-6; Donna Manson and Alisa Udalov, Kinnick, def. Tina Walker and Megumi Johnson 8-2.

Volleyball Girls South KoreaYongsan def. Osan 25-17, 25-20, 25-10 Wednesday at Osan Air Base

JapanZama def. Yokota 25-8, 25-21, 25-20 Tuesday at Yokota Air BaseKills — Trojans: Jessica Atkinson 9, Grace Bryant 8. Aces — Trojans: Remi Sherratt 10, Aika Davis 8. Assists — Trojans: Jazlyn Rioux 13, Iris Hirata 10. Block points — Trojans: Gabrielle Griffiths 3.Kinnick def. CAJ 22-25, 25-16, 25-22, 25-22 Tuesday at Yokosuka Naval BaseKills — Red Devils: Madelyn Gallo 16, Lynelle Adepoju 8, Ernestina Roberts 6. Digs — Red Devils: Kylie Martin 12. Assists — Red Devils: Charlize Uptegrove 35.

Boys South KoreaYongsan def. Osan 25-17, 25-22, 25-5 Wednesday at Osan Air Base