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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kc3 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kb6 win in 5 half-moves
5 Ka6 draw
6 Ka8 draw
7 Kc2 draw
8 Kd2 draw
9 Kd4 draw
10 Ke3 draw
11 Ke4 draw
12 Rb1 draw
13 Rb3 draw
14 Rb5 draw
15 Rb6 draw
16 Rb8 draw
17 Rc7 draw
18 Rd7 draw
19 Re7 draw
20 Rf7 draw
21 Ke2 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves