Hosta

The 2018 Smart Fibre Launceston International is a professional tennis tournament played on outdoor hard courts as part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit, offering a total of $75,000 in prize money for men and $25,000 for women. It was the fourth (for men) and seventh (for women) edition of the tournament.

Men's singles entrants

Country	Player	Rank¹	Seed
ESP	Marcel Granollers	138	1
JPN	Yoshihito Nishioka	170	2
USA	Kevin King	189	3
USA	Evan King	202	4
FRA	Stéphane Robert	210	5
AUS	Alex Bolt	223	6
AUS	Jason Kubler	239	7
USA	Christian Harrison	242	8

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

The following player received entry as a lucky loser:

Country	Player	Rank¹	Seed
SUI	Patty Schnyder	150	1
RUS	Irina Khromacheva	190	2
AUS	Priscilla Hon	194	3
USA	Asia Muhammad	207	4
FRA	Myrtille Georges	217	5
CRO	Tereza Mrdeža	221	6
ROU	Jaqueline Cristian	223	7
GBR	Laura Robson	237	8

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

2018 ITF Women's Circuit « 2017 2019 »
January–March April–June July–September October–December
ITF $100,000 tournaments	Midland Khimki Cagnes-sur-Mer Trnava Surbiton Manchester Ilkley Southsea Contrexéville Budapest 1 Vancouver Suzhou Shenzhen 2 Dubai
ITF $80,000 tournaments	Dothan Charlottesville Gifu Charleston Olomouc Astana Prague Biarritz Poitiers Macon Tyler Las Vegas
ITF $60,000 tournaments	Andrézieux-Bouthéon Burnie Zhuhai Shenzhen 1 Canberra Croissy-Beaubourg Istanbul Indian Harbour Beach Quanzhou Lu'an Fukuoka Saint-Gaudens Kurume Baotou Brescia Hódmezővásárhely Rome Versmold Honolulu Berkeley Granby Ashland Lexington Jinan Hechingen Landisville Budapest 2 Zagreb Montreux Saint-Malo Darwin Valencia Templeton Stockton Bendigo Saguenay Canberra Toronto Liuzhou Colina