[9] Past winners of these events include Jim Courier, John McEnroe, Butch Buchholz, Arthur Ashe, Roscoe Tanner, Harold Solomon, Bryan Shelton, Chris Woodruff, Luke Jensen, Brian Baker, and Donald Young amongst others.

[19] Past winners of this event include Gardnar Mulloy, Seymour Greenberg, Fred Kovaleski, Noel Brown, Bill Tym, Steve Wilkinson, Ken Stuart, Larry Parker, Juan Farrow, and Carlos Gómez-Díaz amongst others.

He has served as Professional Tour Coach and/or hitting partner for several Top 10 ATP & WTA Players including Nicolas Almagro, John Isner, Maxime Janvier, Vera Zvonareva]], Alla Kudryavtseva & Kristina Brandi.

[43] He has travelled all over the world, organizing Play-Day events designed to introduce kids to tennis providing them with the opportunity to continue to develop and enhance their skills.

Play-Days are a welcoming way for kids to experience the social and competitive aspects of tennis, promoting a sense of achievement through a fun and spirited atmosphere.

[46] Pallares González next visited the East African country of Zimbabwe in June 2018, to host a tennis academy “Stage & Clinic” for a group of 25 children from Mutasa Primary School in the Highfield township of Harare.

[47] That same month, Michael-Ray traveled to Rwanda, one of the smallest countries on the African mainland located in the Great Lakes Region of Central Africa.

[48][49] In December 2015, North Okkalapa Township located in the eastern part of Yangon, Myanmar in southeast Asia was host to an event.

The Play-Day event took place in the residential quarter of Moșilor located in Bucharest's Sector 2, Romania's capital and largest city.

He partnered with the Saint Macrina Orphanage and the Romanian Churches Ecumenical Association to host the event for a group of 15 children living at the residential shelter.

[56][57] In May 2018, Pallares González returned to Malta to host an exhibition and Play-Day event at the historic Marsa Sports Club for a group of 20 children from the St Patrick’s boys’ home in Sliema.

[59] In October 2017, Michael-Ray collaborated with the Rockhurst University Men's & Women's Tennis Teams to host another event at historic Hyde Park, Kansas City.

[62][63][64] That same month, the Hanscom-Brandeis Indoor Tennis Center located within the historic Hanscom Park neighborhood in Midtown Omaha, Nebraska hosted an event for a group of 12 children from Completely KIDS, an organization that educates and assists youth and their families, via school and homeless shelter partnerships.

[81] In October 2017 and December 2018, Michael-Ray collaborated with occupational therapist Debbie Kolarik and recreational therapist Ron Tankel to organize an event and create a program for behavioral health clients at the New Frontiers tennis program at Truman Medical Center located in the Hospital Hill neighborhood of Kansas City, Missouri.

Pallares Gonzalez visited and read to St. John's 5th Grade Class and donated tennis equipment enabling students to familiarize themselves with the sport and further engage themselves in healthy competition amongst their peers.