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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kd4 draw
5 Kd5 draw
6 Kd6 draw
7 Ke6 draw
8 Kf5 draw
9 Kf6 draw
10 Ra8 draw
11 Rb8 draw
12 Rc3 draw
13 Rc4 draw
14 Rc5 draw
15 Rc6 draw
16 Rc7 draw
17 Rd8 draw
18 Rh8 draw
19 Ke4 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves