Theresia Widiastuti

Theresia Widiastuti is a specialist in women's doubles and mixed Indonesian players. In the 1975 Uber Cup, she played an important and decisive role because she managed to win in two women's doubles matches with Imelda Wiguno against Japanese women's doubles and led Indonesia to win the Uber Cup for the first time. In the 1976 Asian championships she also won the women's doubles with Regina Masli. and won two bronze in women's doubles in the 1974 and 1978 Asian games and one mixed doubles silver.

Asian Games

Women's doubles

Year	Venue	Partner	Opponent	Score	Result
1974	Amjadieh Sport Complex, Tehran, Iran	Imelda Wiguno	Minarni   Regina Masli		Bronze
1978	Bangkok, Thailand	Ruth Damayanti	Qiu Yufang   Zheng Huiming	5–15, 12–15	Bronze

Mixed doubles

Year	Venue	Partner	Opponent	Score	Result
1978	Bangkok, Thailand	Kartono	Tang Xianhu   Zhang Ailing	8–15, 16–17	Silver

Asian Championships

Women's doubles

Year	Venue	Partner	Opponent	Score	Result	Ref
1976	Lal Bahadur Shastri Stadium, Hyderabad, India	Regina Masli	He Cuiling   Liang Qiuxia	15–8, 17–18, 15–6	Gold

SEA Games

Women's doubles

Year	Venue	Partner	Opponent	Score	Result	Ref
1977	Stadium Negara, Kuala Lumpur, Malaysia	Regina Masli	Rosalind Singha Ang   Sylvia Ng	15–2, 15–4	Gold
1979	Gema Sumantri Hall, Jakarta, Indonesia	Ruth Damayanti	Imelda Wiguno   Verawaty Wiharjo	4–15, 2–15	Silver
1981	Camp Crame Gymnasium, Manila, Philippines	Imelda Wiguno	Ruth Damayanti   Verawaty Fadjrin	13–15, 4–15	Silver

Mixed doubles

Year	Venue	Partner	Opponent	Score	Result	Ref
1981	Camp Crame Gymnasium, Manila, Philippines	Sigit Pamungkas	Rudy Heryanto   Imelda Wiguno	12–15, 5–15	Silver

International Open Tournaments (2 titles, 1 runner-up)

Women's doubles

Year	Tournament	Partner	Opponent	Score	Result	Ref
1973	Singapore Open	Sri Wiyanti	Thongkam Kingmanee   Sirisriro Patama	15–10, 15–10	Winner
1975	Denmark Open	Imelda Wiguna	Inge Borgstrøm   Lene Køppen	3–15, 15–3, 15–10	Winner
1975	All England Open	Imelda Wiguna	Machiko Aizawa   Etsuko Takanaka	11–15, 14–17	Runner-up

Invitational Tournament

Women's doubles

Year	Tournament	Partner	Opponent	Score	Result	Ref
1975	World Invitational Championships	Imelda Wiguno	Margaret Beck   Gillian Gilks		Silver