api/app/Http/Controllers/Api/Sport.php

<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\Sport as SportModel;
use App\Services\FixtureService;

class Sport extends Controller
{
    public function index()
    {
        $date = request()->input('date', date('Y-m-d'));
        $start = strtotime($date);
        $end = strtotime("+1 day", $start);
//        return $this->success(['start' => date('Y-m-d H:i:s',$start), 'end' => date('Y-m-d H:i:s', $end)]);
        SportModel::where("game_time", ">=", $start)
            ->where("game_time", "<", $end)
            ->get();
    }
}