Sen had suffered a heartbreaking straight-game loss to Olympic champion and world No. 1 Viktor Axelsen of Denmark on Sunday.
The former world junior number one Indian thus became the country’s highest ranked men’s singles player, surpassing Kidambi Srikanth, who slipped to the 12th spot this week.
Sen has withdrawn from the ongoing Swiss Open due to exhaustion after making the final of the German Open and All England in the last two weeks.
Women’s doubles pair of Treesa Jolly and Gayatri Gopichand also jumped 12 places to reach a career-best world number 34, riding on their maiden semifinal finish at the All England Championship.
The duo, who were promoted to the main draw from the reserve list at Birmingham, had stunned second seeded Koreans Lee Sohee and Shin Seungchan in the quarterfinals.
Commonwealth Games bronze medallist Ashwini Ponnappa and N Sikki Reddy remained India’s best ranked women’s doubles pair at world number 20, despite losing a place.
Double Olympic medallist P V Sindhu remained at world number 7, while Saina climbed two places to 23rd, following a second round defeat at All England.
Commonwealth Games silver medallists Satwiksairaj Rankireddy and Chirag Shetty, who had claimed the men’s doubles title at India Open in January, jumped a place to the seventh spot.
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