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Doubles
*****
Singles
**
Processed
Jun 28 2026
Doubles
76 | M | Thousand Oaks, CA, USA
79 | M | USA
81 | M | USA
77 | M | USA
Jun 28 2026
Doubles
76 | M | Thousand Oaks, CA, USA
79 | M | USA
74 | M | USA
78 | M | Laguna Woods, CA, USA
Jun 28 2026
Doubles
76 | M | Thousand Oaks, CA, USA
79 | M | USA
81 | M | USA
77 | M | USA
Jun 28 2026
Doubles
76 | M | Thousand Oaks, CA, USA
79 | M | USA
74 | M | USA
78 | M | Laguna Woods, CA, USA
Oct 14 2025
Doubles
76 | M | Thousand Oaks, CA, USA
79 | M | USA
M | USA
78 | M | USA
Oct 14 2025
Doubles
76 | M | Thousand Oaks, CA, USA
79 | M | USA
M | casa grande, AZ, USA
77 | M | USA
Oct 14 2025
Doubles
76 | M | Thousand Oaks, CA, USA
79 | M | USA
82 | M | La Jolla, CA, USA
82 | M | Lakewood Ranch, FL, USA
Oct 14 2025
Doubles
76 | M | Thousand Oaks, CA, USA
79 | M | USA
M | USA
78 | M | USA
Oct 14 2025
Doubles
76 | M | Thousand Oaks, CA, USA
79 | M | USA
72 | M | Yakima, WA, USA
70 | M | South Haven, MI, USA
| Date | Team 1 | Score | Team 2 |
|---|---|---|---|
2026 USSP Southwest Zone Championship - Mission Viejo, CA- presented by Humana | |||
Jun 28 2026 Doubles | Duke Grondin76 | M | Thousand Oaks, CA, USA 4.145 4.145 Carl Tietze79 | M | USA 4.128 4.128 | 2< 110 112 20> 110 112 | Tom Yin81 | M | USA 3.057 3.057 Peter Conk77 | M | USA 2.967 2.967 |
Jun 28 2026 Doubles | Duke Grondin76 | M | Thousand Oaks, CA, USA 4.108 4.108 Carl Tietze79 | M | USA 4.116 4.116 | 2< 115 119 20> 115 119 | Christian Kassebaum74 | M | USA 3.515 3.515 Andrew Cmiel78 | M | Laguna Woods, CA, USA 3.874 3.874 |
Jun 28 2026 Doubles | Duke Grondin76 | M | Thousand Oaks, CA, USA 4.199 4.199 Carl Tietze79 | M | USA 4.141 4.141 | 2< 110 113 20> 110 113 | Tom Yin81 | M | USA 3.185 3.185 Peter Conk77 | M | USA 3.205 3.205 |
Jun 28 2026 Doubles | Duke Grondin76 | M | Thousand Oaks, CA, USA 4.132 4.132 Carl Tietze79 | M | USA 4.127 4.127 | 2< 911 117 112 21> 911 117 112 | Christian Kassebaum74 | M | USA 3.401 3.401 Andrew Cmiel78 | M | Laguna Woods, CA, USA 3.582 3.582 |
2025 HUNTSMAN WORLD SENIOR GAMES | |||
Oct 14 2025 Doubles | Duke Grondin76 | M | Thousand Oaks, CA, USA 4.604 -0.142 4.462 Carl Tietze79 | M | USA 4.324 -0.037 4.287 | 0 511 111 02< 511 111 | Mark FriedenbergM | USA 4.454 +0.025 4.478 James Hackenberg78 | M | USA 4.902 +0.036 4.937 |
Oct 14 2025 Doubles | Duke Grondin76 | M | Thousand Oaks, CA, USA 4.638 -0.034 4.604 Carl Tietze79 | M | USA 4.331 -0.007 4.324 | 2< 118 118 20> 118 118 | Bob CostanzaM | casa grande, AZ, USA 4.270 +0.006 4.277 Paul Coletta77 | M | USA 4.147 +0.014 4.161 |
Oct 14 2025 Doubles | Duke Grondin76 | M | Thousand Oaks, CA, USA 4.620 +0.018 4.638 Carl Tietze79 | M | USA 4.328 +0.003 4.331 | 2< 115 117 20> 115 117 | Fred Shuey82 | M | La Jolla, CA, USA 3.788 -0.010 3.778 Rick Barry82 | M | Lakewood Ranch, FL, USA 4.536 -0.007 4.529 |
Oct 14 2025 Doubles | Duke Grondin76 | M | Thousand Oaks, CA, USA 4.501 +0.118 4.620 Carl Tietze79 | M | USA 4.316 +0.013 4.328 | 0 1517 01< 1517 | Mark FriedenbergM | USA 4.510 -0.008 4.502 James Hackenberg78 | M | USA 4.989 -0.013 4.977 |
Oct 14 2025 Doubles | Duke Grondin76 | M | Thousand Oaks, CA, USA 4.330 +0.171 4.501 Carl Tietze79 | M | USA 4.285 +0.030 4.316 | 1 711 111 911 12< 711 111 911 | William Andring72 | M | Yakima, WA, USA 4.478 -0.043 4.435 John Belsher70 | M | South Haven, MI, USA 4.591 -0.037 4.554 |
