Ronald Alexander

Ronald Alexander (born 15 August 1993 in Bitung) is a male Indonesian badminton player. He is a doubles specialist.

BWF World Junior Championships

• 2011 BWF World Junior Championships in Taoyuan City and Taipei, Chinese Taipei

2011 BWF World Junior Championships – Mixed Doubles
Round	Partner	Opponent	Score	Result
1st	Tiara Rosalia Nuraidah	–	–	Bye
2nd	Tiara Rosalia Nuraidah	Tolga Oszoy Ozge Toyran	18–21, 21–7, 21–15	Win
3rd	Tiara Rosalia Nuraidah	Wang Chi-lin Chen Szu-yu	21–8, 15–21, 22–20	Win
4th	Tiara Rosalia Nuraidah	Joris Grosjean Lea Palermo	22–20, 21–14	Win
QF	Tiara Rosalia Nuraidah	Wannawat Ampunsuwan Chonthicha Kittiharakul	21–15, 21–16	Win
SF	Tiara Rosalia Nuraidah	Nelson Heg Wei Keat Chow Mei Kuan	21–17, 20–22, 21–16	Win
Final	Tiara Rosalia Nuraidah	Alfian Eko Prasetya Gloria Emanuelle Widjaja	21–12, 17–21, 23–25	Silver

2011 BWF World Junior Championships – Boys' Doubles
Round	Partner	Opponent	Score	Result
1st	Selvanus Geh	–	–	Bye
2nd	Selvanus Geh	Choi Sol-gyu Park Se-woong	25–27, 21–17, 21–19	Win
3rd	Selvanus Geh	Kritti Cholprasertsuk Samatcha Tovannakasem	21–13, 21–11	Win
QF	Selvanus Geh	Lee Chun Hei Angus Ng Ka Long	21–11, 17–21, 21–19	Win
SF	Selvanus Geh	Huang Po-jui Lin Chia-yu	19–21, 23–21, 21–15	Bronze

Asia Junior Championships

Boys' Doubles

Year	Venue	Partner	Opponent	Score	Result
2011	Lucknow, India	Selvanus Geh	Lu Ching-yao Huang Chu-en	17–21, 19–21	Bronze

BWF Grand Prix

The BWF Grand Prix has two levels: Grand Prix and Grand Prix Gold. It is a series of badminton tournaments, sanctioned by Badminton World Federation (BWF) since 2007.

Mixed Doubles

Year	Tournament	Partner	Opponent	Score	Result
2016	Indonesian Masters	Melati Daeva Oktaviani	Tan Kian Meng Lai Pei Jing	21-16, 21-17	01 ! Champion
2015	Chinese Taipei Masters (1)	Melati Daeva Oktaviani	Chang Ko-chi Chang Hsin-tien	21–18, 25–27, 21–15	01 ! Champion

Men's Doubles

Year	Tournament	Partner	Opponent	Score	Result
2013	Indonesian Masters	Selvanus Geh	Angga Pratama Ryan Agung Saputra	21–17, 15–21, 16–21	02 ! Runner-up

     BWF Grand Prix Gold tournament

     BWF Grand Prix tournament

BWF International Challenge/Series

Mixed Doubles

Year	Tournament	Partner	Opponent	Score	Result
2015	Austrian Open	Melati Daeva Oktaviani	Edi Subaktiar Gloria Emanuelle Widjaja	21–15, 20–22, 18–21	02 ! Runner-up
2014	Indonesia International	Melati Daeva Oktaviani	Muhammad Rijal Vita Marissa	7–11, 11–4, 11–6, 11–7	01 ! Champion

Men's Doubles

Year	Tournament	Partner	Opponent	Score	Result
2014	Bulgarian International	Edi Subaktiar	Selvanus Geh Kevin Sanjaya Sukamuljo	9–21, 13–21	02 ! Runner-up
2013	Iran Fajr International	Selvanus Geh	Wahyu Nayaka Ade Yusuf	19–21, 21–13, 20–22	02 ! Runner-up

     BWF International Challenge tournament

     BWF International Series tournament

Indonesian team

• Senior level

• Junior level

Team Events	2011
World Junior Championships	QF
Asia Junior Championships	Bronze

Individual competitions

Event	2011
World Junior Championships	Silver (XD) Bronze (BD)

Event	2011
Asia Junior Championships	2R (XD) Bronze (BD)

Tournament	2013	2014	2015	2016	Best
BWF Superseries
All England Open	A
India Open	A
Malaysia Open	A
Singapore Open	A
Australian Open	GPG	A
Indonesia Open	A		1R		1R (2015)
Japan Open	A		2R		2R (2015)
Korea Open	A		1R		1R (2015)
Denmark Open	A
French Open	A
China Open	1R	A			1R (2013)
Hong Kong Open	A		2R		2R (2015)
BWF Superseries Finals	NQ	NQ	NQ
BWF Grand Prix and Grand Prix Gold
Malaysia Masters	2R	A	1R	QF	QF (2016)
Syed Modi International	N/A	A		QF	QF (2016)
Thailand Masters	N/A	N/A	N/A
German Open	A		QF		QF (2015)
Swiss Open	A
China Masters	SS	A	2R		2R (2015)
New Zealand Open	A		2R		2R (2015)
U.S. Open	A
Canada Open	A
Chinese Taipei Open	1R	QF	SF		SF (2015)
Russian Open	A
Vietnam Open	A	SF	2R		SF (2014)
Thailand Open	1R	N/A	1R		1R (2013, 2015)
Dutch Open	A	QF	A		QF (2014)
Chinese Taipei Masters	N/A	N/A	W		W (2015)
Bitburger Open	A
Korea Masters	2R	A	2R		2R (2013, 2015)
Scottish Open	A
Brasil Open	N/A	A
Macau Open	A	2R	SF		SF (2015)
Indonesian Masters	F	2R	2R		F (2013)
K & D Graphics	N/A	A
Mexico City Grand Prix	N/A	N/A	A

Mixed doubles results with Melati Daeva Oktaviani against World Superseries finalists, World Superseries Finals semifinalists, World Championships semifinalists, and Olympic quarterfinalists.