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 Kc4 draw
5 Kc5 draw
6 Kc6 draw
7 Kd4 draw
8 Kd6 draw
9 Ra6 draw
10 Rb1 draw
11 Rb2 draw
12 Rb5 draw
13 Rb7 draw
14 Rb8 draw
15 Rc6 draw
16 Rd6 draw
17 Re6 draw
18 Rf6 draw
19 Ke4 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rh6 loss in 2 half-moves