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 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kc6 win in 5 half-moves
5 Ka6 win in 9 half-moves
6 Ka4 draw
7 Kc4 draw
8 Kc5 draw
9 Kd4 draw
10 Ra2 draw
11 Ra3 draw
12 Rb1 draw
13 Rc1 draw
14 Rd1 draw
15 Kd6 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves