| 2021 Las Vegas Challenger | |
|---|---|
| Date | 25 – 31 October |
| Edition | 6th |
| Surface | Hard / Outdoors |
| Location | Las Vegas, United States |
| Champions | |
| Singles | |
 J. J. Wolf | |
| Doubles | |
| William Blumberg / Max Schnur | |
The 2021 Las Vegas Challenger was a professional tennis tournament played on hard courts. It was the sixth edition of the revamped tournament which was the part of the 2021 ATP Challenger Tour. It took place in Las Vegas, United States between 25 and 31 October 2021.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| USA | Steve Johnson | 88 | 1 |
| USA | Denis Kudla | 91 | 2 |
| USA | Tennys Sandgren | 96 | 3 |
 GER | Daniel Altmaier | 110 | 4 |
 JPN | Taro Daniel | 121 | 5 |
| USA | Mitchell Krueger | 148 | 6 |
 ECU | Emilio Gómez | 151 | 7 |
 TPE | Jason Jung | 161 | 8 |
The following players received wildcards into the singles main draw:
Christopher Bulus Aleksandar Kovacevic 
Jordan SauerThe following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
J. J. Wolf def. Stefan Kozlov 6–4, 6–4. William Blumberg / Max Schnur def. Jason Jung / Evan King 7–5, 6–7(5–7), [10–5].The 2014 Sacramento Challenger was a professional tennis tournament played on hard courts. It was the ninth edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Sacramento, California, United States between 29 September and 5 October 2014.
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