| Week of | Tournament | Champions | Runners-up | Semifinalists | Quarterfinalists |
|---|
| September 6 | NÖ Open Tulln an der Donau, Austria Challenger 100 – Clay – 32S/16Q/16D Singles – Doubles | Mats Moraing 6–2, 6–1 | Hugo Gaston | Kamil Majchrzak Jiří Veselý | Filip Misolic Marc-Andrea Hüsler Thiago Monteiro Dennis Novak |
Dustin Brown Andrea Vavassori 7–6(7–5), 6–1 | Rafael Matos Felipe Meligeni Alves |
Copa Sevilla Seville, Spain Challenger 90 – Clay – 32S/16Q/16D Singles – Doubles | Pedro Martínez 6–4, 6–1 | Roberto Carballés Baena | Marcelo Tomás Barrios Vera Carlos Taberner | Pablo Andújar Luciano Darderi Gian Marco Moroni Flavio Cobolli |
David Vega Hernández Mark Vervoort 6–3, 6–7(7–9), [10–7] | Javier Barranco Cosano Sergio Martos Gornés |
Banja Luka Challenger Banja Luka, Bosnia and Herzegovina Challenger 80 – Clay – 32S/16Q/16D Singles – Doubles | Juan Manuel Cerúndolo 6–3, 6–1 | Nikola Milojević | Andrej Martin Tomás Martín Etcheverry | Carlos Gómez-Herrera Zdeněk Kolář Marko Topo Tseng Chun-hsin |
Antonio Šančić Nino Serdarušić 6–3, 6–3 | Ivan Sabanov Matej Sabanov |
Cassis Open Provence Cassis, France Challenger 80 – Hard – 32S/16Q/16D Singles – Doubles | Benjamin Bonzi 7–6(7–4), 6–4 | Lucas Pouille | Kacper Żuk Liam Broady | Luca Van Assche Thanasi Kokkinakis Ramkumar Ramanathan Clément Chidekh |
Sriram Balaji Ramkumar Ramanathan 6–4, 3–6, [10–6] | Hans Hach Verdugo Miguel Ángel Reyes-Varela |
Kyiv Open Kyiv, Ukraine Challenger 80 – Clay – 32S/16Q/16D Singles – Doubles | Franco Agamenone 7–5, 6–2 | Sebastián Báez | Ergi Kırkın Timofey Skatov | Filip Jianu Dmitry Popko Nuno Borges Oleksii Krutykh |
Orlando Luz Aleksandr Nedovyesov 6–4, 6–4 | Denys Molchanov Sergiy Stakhovsky |
| September 13 | Pekao Szczecin Open Szczecin, Poland Challenger 125 – Clay – 32S/16Q/16D Singles – Doubles | Zdeněk Kolář 7–6(7–4), 7–5 | Kamil Majchrzak | Nicola Kuhn Yannick Hanfmann | Marco Trungelliti Jesper de Jong Paweł Ciaś Holger Rune |
Santiago González Andrés Molteni 2–6, 6–2, [15–13] | André Göransson Nathaniel Lammons |
Open de Rennes Rennes, France Challenger 90 – Hard (i) – 32S/16Q/16D Singles – Doubles | Benjamin Bonzi 7–6(7–3), 7–6(7–3) | Mats Moraing | Richard Gasquet Arthur Rinderknech | Roman Safiullin Teymuraz Gabashvili Liam Broady Lucas Pouille |
Bart Stevens Tim van Rijthoven 6–7(2–7), 7–5, [10–3] | Marek Gengel Tomáš Macháč |
Cary Challenger II Cary, United States Challenger 80 – Hard – 32S/16Q/16D Singles – Doubles | Mitchell Krueger 6–4, 6–3 | Bjorn Fratangelo | Aleksandar Vukic Denis Kudla | Ryan Peniston Zachary Svajda Max Purcell Michael Mmoh |
William Blumberg Max Schnur 6–4, 1–6, [10–4] | Stefan Kozlov Peter Polansky |
Amex-Istanbul Challenger II Istanbul, Turkey Challenger 80 – Hard – 32S/16Q/16D Singles – Doubles | James Duckworth 6–4, 6–2 | Wu Tung-lin | Quentin Halys Borna Gojo | Hugo Grenier Yasutaka Uchiyama Geoffrey Blancaneaux Aldin Šetkić |
Radu Albot Alexander Cozbinov 4–6, 7–5, [11–9] | Antonio Šančić Artem Sitak |
Quito Challenger Quito, Ecuador Challenger 80 – Clay – 32S/16Q/16D Singles – Doubles | Facundo Mena 6–4, 6–4 | Gonzalo Lama | Pol Martín Tiffon Alexis Gautier | Juan Pablo Ficovich Thiago Agustín Tirante Genaro Alberto Olivieri Matthieu Perchicot |
Alejandro Gómez Thiago Agustín Tirante 7–5, 6–7(5–7), [10–8] | Adrián Menéndez Maceiras Mario Vilella Martínez |
| September 20 | Ambato La Gran Ciudad Ambato, Ecuador Challenger 80 – Clay – 32S/16Q/16D Singles – Doubles | Thiago Agustín Tirante 7–5, 7–5 | Juan Pablo Varillas | Juan Pablo Ficovich Facundo Mena | Matías Zukas Johan Nikles Gerald Melzer Alexis Gautier |
Diego Hidalgo Cristian Rodríguez 6–3, 4–6, [10–3] | Alejandro Gómez Thiago Agustín Tirante |
Challenger Biel/Bienne Biel/Bienne, Switzerland Challenger 80 – Hard (i) – 32S/16Q/16D Singles – Doubles | Liam Broady 7–5, 6–3 | Marc-Andrea Hüsler | Tim van Rijthoven Dominic Stricker | Antoine Escoffier João Sousa Ramkumar Ramanathan Tobias Kamke |
Ruben Bemelmans Daniel Masur Walkover | Marc-Andrea Hüsler Dominic Stricker |
Braga Open Braga, Portugal Challenger 80 – Clay – 32S/16Q/16D Singles – Doubles | Thiago Monteiro 7–5, 7–5 | Nikola Milojević | Hugo Gaston Nikolás Sánchez Izquierdo | Andrea Arnaboldi Jesper de Jong Cedrik-Marcel Stebe Taro Daniel |
Nuno Borges Francisco Cabral 6–3, 6–7(4–7), [10–5] | Jesper de Jong Bart Stevens |
Bucharest Challenger Bucharest, Romania Challenger 80 – Clay – 32S/16Q/16D Singles – Doubles | Jiří Lehečka 6–3, 6–2 | Filip Horanský | Stefano Travaglia Lorenzo Giustino | Vitaliy Sachko David Ionel Thanasi Kokkinakis Riccardo Bonadio |
Ruben Gonzales Hunter Johnson 1–6, 6–2, [10–3] | Maximilian Marterer Lukáš Rosol |
Columbus Challenger Columbus, United States Challenger 80 – Hard (i) – 32S/16Q/16D Singles – Doubles | Stefan Kozlov 4–6, 6–2, 6–4 | Max Purcell | J. J. Wolf Aleksandar Vukic | Tennys Sandgren Mikael Torpegaard Alex Bolt Nicolás Mejía |
Stefan Kozlov Peter Polansky 7–5, 7–6(7–5) | Andrew Lutschaunig James Trotter |
| September 27 | Open d'Orléans Orléans, France Challenger 125 – Hard (i) – 32S/16Q/16D Singles – Doubles | Henri Laaksonen 6–1, 2–6, 6–2 | Dennis Novak | Corentin Moutet Jiří Veselý | Ruben Bemelmans Hugo Grenier Richard Gasquet Holger Rune |
Pierre-Hugues Herbert Albano Olivetti 6–2, 2–6, [11–9] | Antoine Hoang Kyrian Jacquet |
Lisboa Belém Open Lisbon, Portugal Challenger 80 – Clay – 32S/16Q/16D Singles – Doubles | Dmitry Popko 6–2, 6–4 | Andrea Pellegrino | Andrej Martin Hugo Gaston | Frederico Ferreira Silva Nikola Milojević Cedrik-Marcel Stebe João Domingues |
Jeevan Nedunchezhiyan Purav Raja 7–6(7–5), 6–3 | Nuno Borges Francisco Cabral |
Lima Challenger Lima, Peru Challenger 80 – Clay – 32S/16Q/16D Singles – Doubles | Hugo Dellien 6–3, 7–5 | Camilo Ugo Carabelli | Johan Nikles Gerald Melzer | Renzo Olivo Nicolás Kicker Eduard Esteve Lobato Juan Manuel Cerúndolo |
Julian Lenz Gerald Melzer 7–6(7–4), 7–6(7–3) | Nicolás Barrientos Fernando Romboli |
Murcia Open Murcia, Spain Challenger 80 – Clay – 32S/16Q/16D Singles – Doubles | Tallon Griekspoor 3–6, 7–5, 6–3 | Roberto Carballés Baena | Mathias Bourgue Flavio Cobolli | Evan Furness Andrea Collarini Nicola Kuhn Miljan Zekić |
Raúl Brancaccio Flavio Cobolli 6–3, 7–6(7–4) | Alberto Barroso Campos Roberto Carballés Baena |
Sibiu Open Sibiu, Romania Challenger 80 – Clay – 32S/16Q/16D Singles – Doubles | Stefano Travaglia 7–6(7–4), 6–2 | Thanasi Kokkinakis | Sumit Nagal Marc-Andrea Hüsler | Zdeněk Kolář Geoffrey Blancaneaux Alex Molčan Franco Agamenone |
Alexander Erler Lucas Miedler 6–3, 6–1 | James Cerretani Luca Margaroli |