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