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

EGTB: win in 4 half-moves

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