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It is the highest placing Nam has achieved in his career and the best ranking for Vietnam so far.
Nam’s recent run to the finals of the Vietnam F1 Futures tennis tournament added 10 points to his ranking score, giving him a total of 88.
In the men’s doubles rankings, Nam also jumped 49 spots to No. 603 in the world.
Among his national colleagues, Nguyen Van Phuong climbed 153 places to No.1430, while Trinh Linh Giang droped 21 spots to No.1525 and Pham Minh Tuan fell 49 spots to No.1889 in the world rankings.