Yonex was named an official licensee of the Atlanta Centennial Olympic Games and was also named the Games' official Badminton Equipment Supplier. In competition, players competing with Yonex racquets, footwear and clothing captured every Gold, every Silver and all but one of the Bronze medals awarded in badminton, reconfirming Yonex's dominant position in the sport.　Monica Seles maintained her undefeated record at the Australian Open as she captured the ladies singles title using the Yonex SRQ-500 Long.　 The Wimbledon men’s singles final was an all Yonex event with Richard Krajicek becoming the champion, using the new Super RD-tour.　 Meanwhile up and coming Yonex star, 15 year-old Martina Hingis, became the youngest ever Wimbledon Champion as she won the ladies doubles title. Yonex Teradomari Country Club was officially opened in Japan. Yonex introduced its line of Super A.D.X. irons, combining graphite and steel in a unique hybrid club, and featuring the thinnest steel face on the market. The senior and ladies models featured ultra lightweight graphite shafts weighing 1.8 ounces, the lightest in the industry. Yonex introduced its first-ever metal driver, the Super A.D.X. Titanium. The titanium driver began the next technological phase, which took Yonex to the next level in product development, initiating a return to prominence among distance conscious golfers. Followed by the introduction of the Super A.D.X. Titanium Hybrid irons, Yonex now has a complete set of irons and woods for golfers of all levels.

A 16-year old Martina Hingis won the Australian Open with the Pro RD 70-Long and moved to #1 in the world rankings, following in the footsteps of fellow Yonex player Monica Seles. At 16 years, 6 months, she became the youngest player to achieve the number one world ranking. In 1997, Minoru Yoneyama, founder of Yonex, became Chairman of Yonex Group and appointed Kosaku Yoneyama as the new President of Yonex. Yonex complemented the titanium line with the introduction of the Super A.D.X. Titanium Senior woods and irons. Yonex staff member, Scott Hoch, was selected for the Ryder Cup Team. He also won the Greater Milwaukee Open, the eighth PGA Tour win of his professional career.

The Yonex Sports Development Foundation was established to support all levels of youth, high school, and university sports development and education. Chairman Minoru Yoneyama received the Vince Lombardi Award from the Boy Scouts of America-Los Angeles for continuous contribution to youth education through sports.　　This was established as a non-profit foundation. March 1998 marked the first time in Yonex history that Yonex had world ranked #1 tennis players for both men and ladies with Marcelo Rios and Martina Hingis. Yonex signed a Tennis Racket Contract with young Australian Lleyton Hewitt. In the 1998 PGA Show in Orlando, Yonex introduced stainless steel woods and irons with P.P.S. shaft technology - the Super A.D.X. 200 line.

Martina Hingis won her third consecutive Australian Open title for both singles and doubles using her Yonex racket.　　Yonex became Title Sponsor of the Japanese Ladies Pro Golf Association Event at Yonex Teradomari Country Club. The event was named the Yonex Ladies Open.　In March 1999, Chairman Minoru Yoneyama received the Special Meritorious Award from the Badminton Association of England, for his continuous support of the All England Badminton Championship. This award was handed to Chairman Minoru Yoneyama by Prince Andrew, at the sight of the 100th All England Badminton Championship.