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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka5 draw
3 Kb5 draw
4 Kd7 draw
5 Kd8 draw
6 Ke7 draw
7 Kf7 draw
8 Kf8 draw
9 Ra6 draw
10 Rd6 draw
11 Re4 draw
12 Re5 draw
13 Re7 draw
14 Rf6 draw
15 Rg6 draw
16 Rh6 draw
17 Ka3 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re3 loss in 2 half-moves