When grill is hot, using tongs, place chicken skin side down on hot side of grill until there are nice grill marks (about 5 minutes). (aggieskitchen.com)
Place zucchini over hot side of grill, perpendicular to grill grates. (seriouseats.com)
Oil cooking grate and place chicken on hotter side of grill. (spoonfulofflavor.com)