Obuya represented
Kenya at Under-19 level and played for Kenya in the
1998 Under-19 Cricket World Cup and
2000 Under-19 Cricket World Cup. He was included in the Kenyan squad for the 2003 Cricket World Cup whereas Kenya also hosted a few matches during the course of the tournament. He subsequently made his debut World Cup appearance during the tournament. He picked up 13 wickets at a decent average of 28.76 in the 2003 World Cup and took a career best 5 for 24 in Kenya's win over
Sri Lanka at Nairobi, their first victory over Sri Lanka in ODIs. Kenya's dramatic victory over Sri Lanka was considered a massive upset in world cricket and Kenya subsequently reached semifinals of the tournament. His 5/24 remains the best bowling performance for Kenya in World Cups and he was awarded the man of the match for his match-winning performance. During the 2003 World Cup campaign, he received advice and bowling tips from Australian leg spinner
Shane Warne. He was later snubbed from the team due to his inconsistent performances and toured Australia in 2005 to work on his bowling skills. He was recalled to the side in 2006 for a
four match ODI series against Bangladesh in Bangladesh. He along with his brother David signed a sponsorship deal with Kenya-based office equipment supplier CopyCat prior to the
2007 Cricket World Cup, at a time when the national team itself did not have an official sponsor. He made his T20I debut on 1 September 2007 against
Bangladesh during the
2007 Kenya Twenty20 Quadrangular tournament. His debut came in Kenya's inaugural T20I match and also marked Bangladesh's first T20I match. He was also picked for the inaugural edition of the
ICC Men's T20 World Cup in
2007 which was held in South Africa. His finest ODI innings to date has been an unbeaten 98 against
Australia at the
2011 ICC World Cup despite being ended up in a losing cause. The innings cited as one of the best ODI innings by a Kenyan against a leading cricketing nation. He was also the leading run scorer for Kenya during the 2011 World Cup as he ended up with 243 runs in six matches at a stellar average of 48.60 including two half-centuries. In July 2011, he was appointed as the captain of the Kenyan cricket team replacing
Jimmy Kamande following the dismal 2011 World Cup campaign for Kenya.
Cricket Kenya suspended him for two warmup matches ahead of the
2013 ICC World Twenty20 Qualifier after an altercation with his teammate
Irfan Karim. In December 2013, he resigned as the captain of the Kenyan cricket team after Kenya failed to qualify for the
2014 ICC World Twenty20. In January 2018, he was named in Kenya's squad for the
2018 ICC World Cricket League Division Two tournament. In September 2018, he was named in Kenya's squad for the
2018 Africa T20 Cup. In October 2018, he was named as the captain of Kenya's squad for the
2018 ICC World Cricket League Division Three tournament in Oman. Ahead of the tournament, Obuya was ruled out of Kenya's squad due to personal commitments. He was replaced by
Narendra Kalyan, with
Shem Ngoche was named captain of the team. In May 2019, he was named in Kenya's squad for the
Regional Finals of the
2018–19 ICC T20 World Cup Africa Qualifier tournament in Uganda. In September 2019, he was named in Kenya's squad for the
2019 ICC T20 World Cup Qualifier tournament in the United Arab Emirates. Ahead of the tournament, the
International Cricket Council (ICC) named him as the key player in Kenya's squad. He was the leading wicket-taker for Kenya in the tournament, with eleven dismissals in six matches. In November 2019, he was named in Kenya's squad for the
Cricket World Cup Challenge League B tournament in Oman. In October 2021, he was named in Kenya's squad for the Regional Final of the
2021 ICC Men's T20 World Cup Africa Qualifier tournament in Rwanda. == References ==