The defender scored after 63 minutes from a corner by Jermaine Wright as
Bolton keeper Ali Al-Habsi denied Leeds' Ian Moore, Nick Gray, Jonathan Howson and Gylfi Einarsson from scoring further goals in a second half totally dominated by the Whites.
Fojut nearly rescued a point for the Trotters on 73 minutes but the Polish youth international put his shot wide of Ben Smith's goal.
Bolton Wanderers Reserves: Ali Al-Habsi, Bradley Hill, Scott Jamieson (Michael Roddy), Matthew Cassidy (Mark Charlesworth), Mark Ellis, Jarostaw Fojut, Leslie Thompson, Danny Stott, Johann Smith, Dale Whitehead, Bedi Buval (Blazej Augustyn)
Subs not used: Rhys Powell, Przemyslaw Kazimerczak.
Leeds United Reserves: Ben Smith, Simon Madden (Gavin Rothery 79), Dan Harding, Simon Walton, Rui Marques, Jermaine Wright, Nick Gray, Gylfi Einarsson, Ian Moore, Sam Hird (Jonathan Howson h/t), Danny Pugh.
Subs not used: Mark Wilberforce, Robert Bayly, Ben Parker.
Bolton keeper Ali Al-Habsi denied Leeds' Ian Moore, Nick Gray, Jonathan Howson and Gylfi Einarsson from scoring further goals in a second half totally dominated by the Whites.
Fojut nearly rescued a point for the Trotters on 73 minutes but the Polish youth international put his shot wide of Ben Smith's goal.
Bolton Wanderers Reserves: Ali Al-Habsi, Bradley Hill, Scott Jamieson (Michael Roddy), Matthew Cassidy (Mark Charlesworth), Mark Ellis, Jarostaw Fojut, Leslie Thompson, Danny Stott, Johann Smith, Dale Whitehead, Bedi Buval (Blazej Augustyn)
Subs not used: Rhys Powell, Przemyslaw Kazimerczak.
Leeds United Reserves: Ben Smith, Simon Madden (Gavin Rothery 79), Dan Harding, Simon Walton, Rui Marques, Jermaine Wright, Nick Gray, Gylfi Einarsson, Ian Moore, Sam Hird (Jonathan Howson h/t), Danny Pugh.
Subs not used: Mark Wilberforce, Robert Bayly, Ben Parker.