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 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb6 draw
6 Kc5 draw
7 Kc6 draw
8 Ra3 draw
9 Rb4 draw
10 Rf3 draw
11 Rg3 draw
12 Rh3 draw
13 Kc4 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves