Click on the third or sixth rank to set the en passant target square.

EGTB: win in 8 half-moves

# move score
1 Rb1 win in 7 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kc3 draw
6 Kcd1 draw
7 Ked1 draw
8 Kf1 draw
9 Ra1 draw
10 Rd1 draw
11 Kcd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ked2 loss in 2 half-moves
15 Kf2 loss in 2 half-moves