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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Ka4 win in 9 half-moves
4 Kb6 win in 9 half-moves
5 Ka6 draw
6 Kab4 draw
7 Kb3 draw
8 Kb2 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kcb4 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra4 loss in 2 half-moves