2025 O3k J125 U10s NSW Hardcourt Assoc. Metro Championships

Tennis Macarthur | Leumeah 9/10/2025 to 13/10/2025

• Open/Junior
• Junior
• Open

Event: MS OS

Singles Main Draw

1. • Round of 32

   Lachlan Cosgrove

   W

   Bye

   • Tennis Macarthur

2025 O3k Sydney University

Sydney University Tennis | Camperdown 19/09/2025 to 22/09/2025

• Open

Event: MS OS Tier 2

MS OS Tier 2

1. • Round of 16

   1h 05m

   Lachlan Cosgrove

   W

   Guy Kotzen

   • 6
   • 0

   • 6
   • 2

   H2H

   • Fri 19/09/2025
   • Sydney Univeristy Lawn Tennis Club - 4
2. • Quarter final

   07m

   Lachlan Cosgrove

   W

   Samarth Sirohi

   • 6
   • 0

   • 6
   • 0

   H2H

   • Sat 20/09/2025
   • Sydney Univeristy Lawn Tennis Club - 4
3. • Semi final

   2h 12m

   Lachlan Cosgrove

   W

   Mj Morched

   • 4
   • 6

   • 7
   • 6

   • 10
   • 8

   H2H

   • Sun 21/09/2025
   • Sydney Univeristy Lawn Tennis Club - 6
4. • Final

   1h 33m

   Lachlan Cosgrove

   L

   Louis Jeff

   • 2
   • 6

   • 2
   • 6

   H2H

   • Mon 22/09/2025
   • Sydney Univeristy Lawn Tennis Club - 7

2025 O3k J125 U10s Macarthur Winter

Tennis Macarthur | Leumeah 17/07/2025 to 21/07/2025

• Open/Junior
• Junior
• Open

Event: MS OS

MS OS Matchplay

1. • Round of 16

   Bye

   Lachlan COSGROVE

   W

   • Wests Tennis Centre (Tennis Macarthur)
2. • Quarter final

   1h 25m

   Jake LIM

   Lachlan COSGROVE

   L

   • 6
   • 2

   • 6
   • 3

   H2H

   • Sat 19/07/2025
   • Wests Tennis Centre (Tennis Macarthur) - 13

Singles Main Draw

1. • Round of 32

   1h 03m

   Austin PRENDIVILLE

   Lachlan COSGROVE

   L

   • 6
   • 1

   • 6
   • 1

   H2H

   • Fri 18/07/2025
   • Wests Tennis Centre (Tennis Macarthur) - CC

Event: MD OS

Doubles Main Draw

1. • Quarter final

   1h 32m

   Archie BERTHON

   Lachlan COSGROVE

   W

   Jake LIM

   Xavier PENA-FAIRWEATHER

   • 7
   • 5

   • 7
   • 5

   H2H

   • Fri 18/07/2025
   • Wests Tennis Centre (Tennis Macarthur) - CC
2. • Semi final

   1h 13m

   Archie BERTHON

   Lachlan COSGROVE

   L

   Jakov MILJAK

   Julius TAN

   • 4
   • 6

   • 2
   • 6

   H2H

   • Sat 19/07/2025
   • Wests Tennis Centre (Tennis Macarthur) - 09

2025 O5k NSW Country Closed Championships Open

NSW Country Tennis Association | Forster 4/07/2025 to 7/07/2025

• Open
• Open

Event: 18 U Boys Singles - Tier 1

18 U Boys Singles - Tier 1

1. • Round of 32

   1h 59m

   Lachlan Cosgrove

   L

   Mitchell Coventry-Searle

   • 7
   • 6

   • 1
   • 6

   • 8
   • 10

   H2H

   • Fri 4/07/2025
   • Forster Tennis Club - 05

Event: Mens Open Doubles

Mens Open Doubles

1. • Round of 16

   1h 21m

   Finn Mcdonagh

   Noah Pociask

   Lachlan Cosgrove

   Tom Gallagher

   W

   • 4
   • 6

   • 6
   • 3

   • 7
   • 10

   H2H

   • Sat 5/07/2025
   • Forster Tennis Club - 01
2. • Quarter final

   1h 01m

   Charlie Pade

   Vitorio Sardinha

   Lachlan Cosgrove

   Tom Gallagher

   L

   • 6
   • 4

   • 6
   • 0

   H2H

   • Sun 6/07/2025
   • Forster Tennis Club - 09

Event: Mens Open Singles - Tier 2

Mens Open Singles - Tier 2

1. • Round of 32

   1h 51m

   Olly Worrad

   Lachlan Cosgrove

   L

   • 7
   • 5

   • 7
   • 5

   H2H

   • Fri 4/07/2025
   • Twin Towns Tennis Club

2025 O3k Macarthur Autumn

Tennis Macarthur | Leumeah 25/04/2025 to 28/04/2025

• Open
• Open

Event: MD OS

MD OS

1. • Round of 16

   1h 19m

   Ryan Ibbotson

   Harrison O'Keefe

   Archie Berthon

   Lachlan Cosgrove

   W

   • 0
   • 6

   • 6
   • 7

   H2H

   • Sat 26/04/2025
   • Wests Tennis Centre (Tennis Macarthur) - 11
2. • Quarter final

   1h 07m

   Oliver Lam

   Antonio Yoeum

   Archie Berthon

   Lachlan Cosgrove

   L

   • 6
   • 3

   • 6
   • 2

   H2H

   • Sat 26/04/2025
   • Wests Tennis Centre (Tennis Macarthur) - 11

Event: MS OS Tier 1

Singles Main Draw

1. • Round of 32

   1h 20m

   Lachlan Cosgrove

   L

   Alexander Westcott

   • 2
   • 6

   • 4
   • 6

   H2H

   • Fri 25/04/2025
   • Wests Tennis Centre (Tennis Macarthur) - 10

2025 O3k J250 JC Nepean Easter Open

Nepean District Tennis Association | Penrith 17/04/2025 to 21/04/2025

• Junior
• Junior
• Open

Event: MD OS

Doubles Main Draw

1. • Round of 32

   1h 13m

   Tom Gallagher

   Nikhil Narayan

   Archie Berthon

   Lachlan Cosgrove

   L

   • 6
   • 2

   • 6
   • 2

   H2H

   • Fri 18/04/2025
   • Nepean District Tennis Association - 06

Event: MS OS Tier 3

MS OS Tier 3

1. • Round of 32

   1h 36m

   Jonathan Cavero

   Lachlan Cosgrove

   L

   • 6
   • 3

   • 6
   • 4

   H2H

   • Thu 17/04/2025
   • Nepean District Tennis Association - 01

2025 O5k J125 Macarthur & U10s

Tennis Macarthur | Leumeah 24/01/2025 to 28/01/2025

• Junior
• Junior
• Open

Event: MD OS

Doubles Main Draw

1. • Round of 32

   Saravjot SAGGU

   Paaras SINGH

   Withdrawal

   Lachlan COSGROVE

   Tom GALLAGHER

   W

   H2H

   • Fri 24/01/2025
   • Tennis Macarthur
2. • Round of 16

   1h 21m

   Lachlan COSGROVE

   Tom GALLAGHER

   L

   Oliver LAM

   Christopher SAKAL

   • 6
   • 7

   • 1
   • 6

   H2H

   • Fri 24/01/2025
   • Tennis Macarthur - 12

Event: MS OS Tier 2

MS OS Tier 2

1. • Round of 32

   1h 01m

   Lachlan COSGROVE

   W

   Paraspreet SINGH

   • 6
   • 2

   • 6
   • 0

   H2H

   • Fri 24/01/2025
   • Tennis Macarthur - 10
2. • Round of 16

   1h 58m

   Will BROOKER

   Lachlan COSGROVE

   L

   • 6
   • 4

   • 7
   • 5

   H2H

   • Fri 24/01/2025
   • Tennis Macarthur - 11

2025 O3k J125 Nepean Summer Open

Nepean District Tennis Association | Penrith 17/01/2025 to 20/01/2025

• Junior
• Junior
• Open

Event: MS Opens Tier 2

MS Opens Tier 2

1. • Round of 32

   Lachlan COSGROVE

   W

   Bye

   • Nepean District Tennis Association
2. • Round of 16

   1h 18m

   Lachlan COSGROVE

   W

   Dominic PARSONS

   • 6
   • 4

   • 6
   • 1

   H2H

   • Sat 18/01/2025
   • Nepean District Tennis Association - 01
3. • Quarter final

   1h 19m

   Lachlan COSGROVE

   W

   Zac BUTTENSHAW

   • 6
   • 4

   • 6
   • 2

   H2H

   • Sun 19/01/2025
   • Nepean District Tennis Association - 03
4. • Semi final

   1h 59m

   Lachlan COSGROVE

   W

   Jenson HALIM

   • 3
   • 6

   • 6
   • 4

   • 11
   • 9

   H2H

   • Mon 20/01/2025
   • Nepean District Tennis Association - 06
5. • Final

   1h 28m

   Lachlan COSGROVE

   L

   Parunithan RANGANATHAN

   • 4
   • 6

   • 2
   • 6

   H2H

   • Mon 20/01/2025
   • Nepean District Tennis Association - 06

Event: MD OS

Doubles Main Draw

1. • Round of 16

   1h 34m

   Daniel CARINO

   Tully MCCARTHY

   Lachlan COSGROVE

   Tom GALLAGHER

   W

   • 3
   • 6

   • 4
   • 6

   H2H

   • Sat 18/01/2025
   • Nepean District Tennis Association - 06
2. • Quarter final

   1h 17m

   Stjepan JAJCEVIC

   Alexander MAH

   Lachlan COSGROVE

   Tom GALLAGHER

   W

   • 6
   • 3

   • 3
   • 6

   • 4
   • 10

   H2H

   • Sat 18/01/2025
   • Nepean District Tennis Association - 07
3. • Semi final

   1h 38m

   Shannon ANEK

   Aiden NITCH

   Lachlan COSGROVE

   Tom GALLAGHER

   W

   • 6
   • 1

   • 6
   • 7

   • 13
   • 15

   H2H

   • Sun 19/01/2025
   • Nepean District Tennis Association - 13
4. • Final

   1h 26m

   Lachlan COSGROVE

   Tom GALLAGHER

   L

   Oliver LAM

   Christopher SAKAL

   • 6
   • 7

   • 1
   • 6

   H2H

   • Mon 20/01/2025
   • Nepean District Tennis Association - 05