Lin Shidong won an all-Chinese under-19 boys' singles final against Chen Yuanyu ©ITTF

China enjoyed a successful International Table Tennis Federation (ITTF) World Youth Championships in Tunis, clinching nine of the available 14 golds.

The under-19 boys' singles went to an all-Chinese decider in which Lin Shidong came from one game behind to beat Chen Yuanyu 10-12, 11-3, 11-6, 11-6, 11-6 at the Salle Omnisport de Radès in the Tunisian capital.

The girls' singles final in the under-19 age bracket was an all-Japanese affair won by Miyuu Kihara, a silver medallist at the ITTF World Team Table Tennis Championships in Chengdu earlier this year, against Miwa Harimoto.

Kihara triumphed 11-7, 4-11, 11-7, 11-9, 11-8.

The two singles finalists were winners in the girls' doubles event with compatriot, coming from behind to defeat French pair Charlotte Lutz and Prithika Pavade 10-12, 11-2, 11-4, 11-8.

However, it was table tennis powerhouses China who dominated the competition, adding another gold in the under-19 boys' doubles courtesy of an 11-5, 11-5, 9-11, 11-2 victory for Lin and Chen against Japan's Hayate Suzuki and Belgium's Adrien Rassenfosse.

Lin claimed another gold in the mixed doubles with Kuai Man as they beat South Korea's Lee Ho-yun and Lee Da-eun in straight games.

China's dominance was underlined with success in both under-19 team events.

The boys' team beat Poland 3-1 in the final, while the girls' team proved too strong for France in a 3-0 success.

Further success for China came in the under-15 age bracket, with Yan Yutong winning a thrilling final against compatriot Xiang Junlin 6-11, 11-7, 10-12, 11-5, 6-11, 11-7, 11-6.

Xiang and Yan took gold in the girls' doubles 7-11, 11-6, 11-9, 11-8 against South Korea's Yoo Ye-rin and Lee Seung-eun, China's boys' team beat Australia 3-0 in the final and its girls' team overcame Japan 3-2 in the decider.

Flavien Coton of France was the winner in the under-15 boys' singles, beating Japan's Kazuki Yoshiyama 10-12, 13-11, 8-11, 11-5, 11-6, 11-9.

Samuel Arpas of Slovenia and Balazs Lei of Hungary saw off Japan's Yoshiyama and Takumi Tanimoto in the boys' doubles final 9-11, 11-8, 11-8, 4-11, 11-9, while Alan Kurmangaliyev won Kazakhstan's first World Championships title with Egyptian player Hana Goda.

They beat Spain’s Maria Berzosa Casa and Portugal’s Tiago Abiodun 11-9, 11-9, 11-5 in straight games.