| Venue: | Kaohsiung Senior High School Gymnasium, Kaohsiung, Taiwan |
| Dates: | 18 July 2009 |
| Competitors: | 47 |
| Nations: | 18 |
| Gold: |  Anna Zhigalova |
| Silver: |  Olga Davydko |
| Bronze: |  Edyta Witkowska |
| Prev: | 2005 |
| Next: | 2013 |
The women's openweight competition in sumo at the 2009 World Games took place on 18 July 2009 at the Kaohsiung Senior High School Gymnasium in Kaohsiung, Taiwan.[1] [2]
A total of 47 athletes entered the competition. They fought in the cup system with repechages.
| Score | |||
|---|---|---|---|
| 1/48 Finals | |||
| Olesya Kovalenko (RUS) | Bye | ||
| Françoise Harteveld (NED) | Bye | ||
| Nicole Niemeier (GER) | Bye | ||
 Epp Mäe (EST) | W-L |  Asano Matsuura (JPN) | |
 Gyongyi Kallo (HUN) | Bye | ||
| Alina Boykova (UKR) | W-DNS | Svetlana Panteleeva (RUS) | |
 Mak Ka-po (HKG) | Bye | ||
| Cheng Chiu-jung (TPE) | W-L |  Tassama Chalearmthip (THA) | |
| Marta Karpova (EST) | Bye | ||
| Tamami Iwai (JPN) | W-DNS | Anna Alexandrova (RUS) | |
| Steffi Muller (GER) | Bye | ||
| Erika Makai (HUN) | W-L |  Stephanie Wong (AUS) | |
| Nelli Vorobyeva (RUS) | Bye | ||
| Lien Pei-ju (TPE) | W-L | Orolzod Bayarsaikhan (MGL) | |
| Olga Davydko (UKR) | Bye | ||
| Sayaka Sasaki (JPN) | W-L |  Luciana Montgomery Watanabe (BRA) | |
| Edyta Witkowska (POL) | Bye | ||
| Supawadee Laenglah (THA) | L-W | Lee Pei-shan (TPE) | |
| Selengiin Enkhzayaa (MGL) | Bye | ||
| Fernanda Rojas Pelegrini (BRA) | L-W | Miki Satoyama (JPN) | |
| Viktoria Fabian (HUN) | Bye | ||
| Marina Dvoretskaya (RUS) | W-L | Maryna Maksymenko (UKR) | |
| Yuka Ueta (JPN) | Bye | ||
| Anna Metodieva (BUL) | W-L |  Paola Boz (ITA) | |
| Ekaterina Keyb (RUS) | Bye | ||
| Chen Chia-fan (TPE) | W-L | Katherine Eber (AUS) | |
| Kairi Kuur (EST) | Bye | ||
| Nicole Hehemann (GER) | W-DNS | Maryna Pryshchepa (UKR) | |
 Lindsay Hood (USA) | Bye | ||
| Miki Niikawa (JPN) | W-DNS |  Hetal Dave (IND) | |
| Leung Hoi Man (HKG) | Bye | ||
| Anna Zhigalova (RUS) | W-L | Dulmaa Yadmaa (MGL) | |
| 1/48 repechages | |||
| Sayaka Sasaki (JPN) | Bye | ||
| Anna Metodieva (BUL) | Bye | ||
| Leung Hoi Man (HKG) | L-W | Dulmaa Yadmaa (MGL) | |
| Score | |||
|---|---|---|---|
| 1/32 Finals | |||
| Olesya Kovalenko (RUS) | DNS-W | Françoise Harteveld (NED) | |
| Nicole Niemeier (GER) | L-W | Epp Mäe (EST) | |
| Gyongyi Kallo (HUN) | L-W | Alina Boykova (UKR) | |
| Mak Ka-po (HKG) | L-W | Cheng Chiu-jung (TPE) | |
| Marta Karpova (EST) | L-W | Tamami Iwai (JPN) | |
| Steffi Muller (GER) | L-W | Erika Makai (HUN) | |
| Nelli Vorobyeva (RUS) | W-L | Lien Pei-ju (TPE) | |
| Olga Davydko (UKR) | W-L | Sayaka Sasaki (JPN) | |
| Edyta Witkowska (POL) | W-L | Lee Pei-shan (TPE) | |
| Selengiin Enkhzayaa (MGL) | W-L | Miki Satoyama (JPN) | |
| Marina Dvoretskaya (RUS) | W-DNS | Viktoria Fabian (HUN) | |
| Yuka Ueta (JPN) | W-L | Anna Metodieva (BUL) | |
| Ekaterina Keyb (RUS) | DNS-W | Chen Chia-fan (TPE) | |
| Kairi Kuur (EST) | DNS-W | Nicole Hehemann (GER) | |
| Miki Niikawa (JPN) | W-DNS | Lindsay Hood (USA) | |
| Leung Hoi Man (HKG) | L-W | Anna Zhigalova (RUS) | |
| 1/32 repechages | |||
| Epp Mäe (EST) | Bye | ||
| Miki Niikawa (JPN) | L-W | Dulmaa Yadmaa (MGL) | |
| Score | |||
|---|---|---|---|
| 1/16 Finals | |||
| Françoise Harteveld (NED) | W-L | Epp Mäe (EST) | |
| Alina Boykova (UKR) | L-W | Cheng Chiu-jung (TPE) | |
| Tamami Iwai (JPN) | L-W | Erika Makai (HUN) | |
| Nelli Vorobyeva (RUS) | L-W | Olga Davydko (UKR) | |
| Edyta Witkowska (POL) | W-L | Selengiin Enkhzayaa (MGL) | |
| Marina Dvoretskaya (RUS) | L-W | Yuka Ueta (JPN) | |
| Chen Chia-fan (TPE) | W-L | Nicole Hehemann (GER) | |
| Miki Niikawa (JPN) | L-W | Anna Zhigalova (RUS) | |
| 1/16 repechages | |||
| Cheng Chiu-jung (TPE) | W-L | Epp Mäe (EST) | |
| Erika Makai (HUN) | L-W | Sayaka Sasaki (JPN) | |
| Edyta Witkowska (POL) | W-L | Marina Dvoretskaya (RUS) | |
| Chen Chia-fan (TPE) | L-W | Dulmaa Yadmaa (MGL) | |
| Score | |||
|---|---|---|---|
| Quarterfinals | |||
| Françoise Harteveld (NED) | W-L | Cheng Chiu-jung (TPE) | |
| Erika Makai (HUN) | L-W | Olga Davydko (UKR) | |
| Edyta Witkowska (POL) | L-W | Yuka Ueta (JPN) | |
| Chen Chia-fan (TPE) | L-W | Anna Zhigalova (RUS) | |
| Quarterfinals repechages | |||
| Cheng Chiu-jung (TPE) | W-L | Sayaka Sasaki (JPN) | |
| Edyta Witkowska (POL) | W-L | Dulmaa Yadmaa (MGL) | |
| Score | |||
|---|---|---|---|
| Semifinals | |||
| Françoise Harteveld (NED) | L-W | Olga Davydko (UKR) | |
| Yuka Ueta (JPN) | L-W | Anna Zhigalova (RUS) | |
| Repechages Semifinals | |||
| Cheng Chiu-jung (TPE) | L-W | Yuka Ueta (JPN) | |
| Françoise Harteveld (NED) | L-W | Edyta Witkowska (POL) | |
| Score | |||
|---|---|---|---|
| Gold medal match | |||
| Olga Davydko (UKR) | L-W | Anna Zhigalova (RUS) | |
| Bronze medal match | |||
| Yuka Ueta (JPN) | L-W | Edyta Witkowska (POL) | |