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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb7 draw
5 Ke1 draw
6 Ke3 draw
7 Kf1 draw
8 Kf2 draw
9 Kf3 draw
10 Rc6 draw
11 Rd6 draw
12 Re6 draw
13 Rf2 draw
14 Rf3 draw
15 Rf4 draw
16 Rf5 draw
17 Rf7 draw
18 Rf8 draw
19 Rg6 draw
20 Rh6 draw
21 Kb5 loss in 2 half-moves
22 Kd1 loss in 2 half-moves
23 Kd2 loss in 2 half-moves
24 Kd3 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rf1 loss in 2 half-moves