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 Kb2 win in 3 half-moves
3 Kb3 win in 3 half-moves
4 Rc1 win in 3 half-moves
5 Kd2 win in 7 half-moves
6 Kc2 win in 13 half-moves
7 Ka3 draw
8 Kc1 draw
9 Rb1 draw
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves