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

EGTB: win in 6 half-moves

# move score
1 Ka2 win in 5 half-moves
2 Ka7 win in 5 half-moves
3 Kb2 win in 5 half-moves
4 Kc2 win in 5 half-moves
5 Ra7 win in 5 half-moves
6 Ka3 draw
7 Ka4 draw
8 Ka5 draw
9 Kb4 draw
10 Kc3 draw
11 Kc4 draw
12 Rb8 draw
13 Rf8 draw
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves