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

EGTB: win in 6 half-moves

# move score
1 Kb7 win in 5 half-moves
2 Kc2 win in 5 half-moves
3 Rb7 win in 5 half-moves
4 Kb5 draw
5 Kc3 draw
6 Kc4 draw
7 Kd4 draw
8 Ke2 draw
9 Ke3 draw
10 Ke4 draw
11 Rd8 draw
12 Re8 draw
13 Ka5 loss in 2 half-moves
14 Ka6 loss in 2 half-moves
15 Ka7 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves