Approved in 2003 after a proposal from Hiroshi Tanahashi, the G2 U-30 Climax took place across two tours. With "U-30" standing for "Under 30", this meant that any wrestler under the age of 30 in New Japan was allowed to enter this tournament, with a place in the prestigious G1 Climax at stake. Tanahashi himself won the tournament and was given a title for his victory, which gave upcoming wrestlers a belt to fight over.
G2 U-30 Climax (3/6/03 to 4/23/03)
Block A:
1. Shinya Makabe [6]
2. Hiroshi Tanahashi [5]
3. Dan Devine [4]
4. Makai #2 [3]
5. Masahito Kakihara [2]
3/6/03 @ Tokyo Korakuen Hall
1. Shinya Makabe [2] beat Hiroshi Tanahashi [0] (10:56) with a Fisherman buster.
3/7/03 @ Niigata City Gymnasium
1. Dan Devine [2] beat Makai #2 [0] (10:13) with a double-arm screw suplex.
3/11/03 @ Fukuyama Big Rose
1. Shinya Makabe [4] beat Dan Devine [2] (6:43) with a lariat.
3/12/03 @ Higashi-Hiroshima Movement Park Gymnasium
1. Hiroshi Tanahashi [2] beat Masahito Kakihara [0] (7:57) with a German suplex hold.
2. Makai #2 [2] beat Shinya Makabe [4] (6:05) with a backslide.
3/14/03 @ Tokuyama Sports Center
1. Dan Devine [4] beat Masahito Kakihara [0] (6:37) with a double-arm screw suplex.
3/17/03 @ Takaoka Techno Dome
1. Hiroshi Tanahashi [3] vs. Makai #2 [3] went to a draw (20:00) when the time limit expired.
3/18/03 @ Mie Prefectural Sun Arena Sub Arena
1. Masahito Kakihara [2] beat Makai #2 [3] (8:05) with an Inazuma leg lariat.
3/20/03 @ Kumagaya Citizen Gymnasium
1. Shinya Makabe [6] beat Masahito Kakihara [2] (6:04) with a Fisherman buster.
3/22/03 @ Hamamatsu City Gymnasium
1. Hiroshi Tanahashi [5] beat Dan Devine [4] (8:04) with a Dragon suplex hold.
Block B:
1. Yutaka Yoshie [8]
2. Blue Wolf [4]
3. Makai #4 [4]
4. Toru Yano [2]
5. Minoru Fujita [2]
3/8/03 @ Hiratsuka City Gymnasium
1. Blue Wolf [2] beat Toru Yano [0] (9:53) with a Mongol slam.
3/9/03 @ Nagoya Rainbow Hall
1. Makai #4 [2] beat Blue Wolf [2] (6:47) with a chickenwing hold.
3/11/03 @ Fukuyama Big Rose
1. Yutaka Yoshie [2] beat Minoru Fujita [0] (6:27) with a diving body press.
3/14/03 @ Tokuyama Sports Center
1. Toru Yano [2] beat Minoru Fujita [0] (7:03) with a Canadian backbreaker.
3/16/03 @ Nagahama Citizen Gymnasium
1. Yutaka Yoshie [4] beat Makai #4 [2] (8:54) with a diving body press.
3/17/03 @ Takaoka Techno Dome
1. Yutaka Yoshie [6] beat Toru Yano [2] (9:09) with a back blow.
3/18/03 @ Mie Prefectural Sun Arena Sub Arena
1. Blue Wolf [4] beat Minoru Fujita [0] (8:24) with a lariat.
3/20/03 @ Kumagaya Citizen Gymnasium
1. Makai #4 [4] beat Toru Yano [2] (6:48) with a chickenwing hold.
3/21/03 @ Yoyogi National Stadium Gymnasium #2
1. Yutaka Yoshie [8] beat Blue Wolf [4] (9:40) with a diving body press.
3/23/03 @ Amagasaki Memorial Park Gymnasium
1. Minoru Fujita [2] beat Makai #4 [4] (5:32) with an inside cradle.
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4/18/03 @ Tokyo Korakuen Hall
1. Block B Semi Finalist Decision Match: Blue Wolf beat Makai #4 (5:10) with a Mongol slam.
2. Semi Final: Shinya Makabe beat Blue Wolf (7:03) with a Texas Cloverleaf hold.
3. Semi Final: Hiroshi Tanahashi beat Yutaka Yoshie (12:04) with a high-angle front cradle.
4/23/03 @ Hiroshima Sun Plaza
1. Final: Hiroshi Tanahashi beat Shinya Makabe (12:44) with a Dragon suplex hold.
