| 2019 Guzzini Challenger | |
|---|---|
| Date | 1–7 July |
| Edition | 17th |
| Surface | Hard |
| Location | Recanati, Italy |
| Champions | |
| Singles | |
 Egor Gerasimov | |
| Doubles | |
 Gonçalo Oliveira /  Ramkumar Ramanathan | |
The 2019 Guzzini Challenger was a professional tennis tournament played on hard courts. It was the seventeenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Recanati, Italy between 1 and 7 July 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 GER | Matthias Bachinger | 121 | 1 |
 RUS | Evgeny Donskoy | 129 | 2 |
 ITA | Lorenzo Giustino | 134 | 3 |
 UKR | Sergiy Stakhovsky | 139 | 4 |
| BLR | Ilya Ivashka | 140 | 5 |
 SVK | Lukáš Lacko | 144 | 6 |
 ESP | Adrián Menéndez Maceiras | 148 | 7 |
| ITA | Filippo Baldi | 151 | 8 |
| IND | Ramkumar Ramanathan | 154 | 9 |
| BLR | Egor Gerasimov | 170 | 10 |
| ITA | Stefano Napolitano | 179 | 11 |
 ECU | Emilio Gómez | 185 | 12 |
 CRO | Viktor Galović | 199 | 13 |
 BIH | Mirza Bašić | 203 | 14 |
| GER | Mats Moraing | 208 | 15 |
| ESP | Enrique López Pérez | 211 | 16 |
The following players received wildcards into the singles main draw:
Matthias Bachinger Enrico Dalla Valle Giovanni Fonio Emiliano Maggioli Lorenzo Musetti The following player received entry into the singles main draw as an alternate:
The following players received entry into the singles main draw using their ITF World Tennis Ranking:
The following players received entry from the qualifying draw:
Nikola Ćaćić Samuele Ramazzotti Egor Gerasimov def. Roberto Marcora 6–2, 7–5. Gonçalo Oliveira / Ramkumar Ramanathan def. Andrea Vavassori / David Vega Hernández 6–2, 6–4.The 2019 International Challenger Zhangjiagang was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Zhangjiagang, China between 18 and 24 March 2019.
The 2019 Open Harmonie mutuelle was a professional tennis tournament played on hard courts. It was the sixteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Saint-Brieuc, France between 25 and 31 March 2019.
The 2019 Samarkand Challenger was a professional tennis tournament played on clay courts. It was the 23rd edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Samarkand, Uzbekistan between 13 and 19 May 2019.
The 2019 Columbus Challenger II was a professional tennis tournament played on hard courts. It was the seventh edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Columbus, United States between 10 and 16 June 2019.
The 2019 Fergana Challenger was a professional tennis tournament played on hard courts. It was the 20th edition of the tournament for men which was part of the 2019 ATP Challenger Tour, and the ninth edition of the event for women on the 2019 ITF Women's World Tennis Tour. It took place in Fergana, Uzbekistan, between 3–9 June (women) and 17–23 June (men).
The 2019 President's Cup was a professional tennis tournament played on outdoor hard courts. It was the fourteenth (ATP) and eleventh (ITF) editions of the tournament and was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Nur-Sultan, Kazakhstan, on 15–21 July 2019.
The 2019 Challenger Banque Nationale de Gatineau was a professional tennis tournament played on outdoor hard courts. It was the 4th edition of the tournament for men and the 6th for women, and it was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Gatineau, Canada between July 15 and 21, 2019.
The 2019 Advantage Cars Prague Open was a professional tennis tournament played on outdoor clay courts. It was the sixth (men) and fifth (women) editions of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Prague, Czech Republic between 22 and 28 July 2019.
The 2019 Challenger Banque Nationale de Granby was a professional tennis tournament played on outdoor hard courts. It was the twenty-sixth (men) and ninth (women) editions of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Granby, Quebec, Canada between 22 and 28 July 2019.
The 2019 Levene Gouldin & Thompson Tennis Challenger was a professional tennis tournament played on hard court. It was the 26th edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Binghamton, United States between 22 and 28 July 2019.
The 2019 Tampere Open was a professional tennis tournament played on clay courts for men and indoor hard courts for women. It was the 38th edition of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Tampere, Finland, on 22–28 July 2019.
The 2019 Open Castilla y León was a professional tennis tournament played on outdoor hard courts. It was the 34th edition, for men, and 5th edition, for women, of the tournament and part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in El Espinar, Segovia, Spain, between 29 July – 4 August 2019.
The 2019 Kentucky Bank Tennis Championships was a professional tennis tournament played on outdoor hard courts. It was the 24th (ATP) and 22nd (ITF) editions of the tournament and was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Lexington, United States, on 29 July–4 August 2019.
The 2019 Odlum Brown Vancouver Open was a professional tennis tournament played on outdoor hard courts. It was the fourteenth (men) and seventeenth (women) editions of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Vancouver, Canada between 12 and 17 August 2019.
The 2019 Internazionali di Tennis del Friuli Venezia Giulia was a professional tennis tournament played on clay courts. It was the sixteenth (men) and fourth (women) editions of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Cordenons, Italy between 5 and 18 August 2019.
The 2019 Jinan International Open was a professional tennis tournament played on outdoor hard courts. It was the third (men) and second (women) editions of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Jinan, China between 26 August and 8 September 2019.
The 2019 Città di Como Challenger was a professional tennis tournament played on clay courts. It was the fourteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Como, Italy between 26 August and 1 September 2019.
The 2019 Lima Challenger was a professional tennis tournament played on clay courts. It was the thirteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Lima, Peru between October 21 and October 27, 2019.
The 2019 Shenzhen Longhua Open was a professional tennis tournament played on hard courts. It was the third (men) and fourth (women) editions of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Shenzhen, China between 28 October and 10 November 2019.
The 2019 Sparkassen ATP Challenger was a professional tennis tournament played on indoor hard courts in Ortisei, Italy between 11 and 17 November 2019. It was the tenth edition of the tournament which was part of the 2019 ATP Challenger Tour.
