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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 K5a6 win in 5 half-moves
3 K7a6 win in 5 half-moves
4 Ka4 win in 5 half-moves
5 Ka8 win in 5 half-moves
6 Kb7 win in 5 half-moves
7 Kb8 win in 5 half-moves
8 Rd7 win in 5 half-moves
9 Rd8 win in 5 half-moves
10 K5b6 draw
11 K7b6 draw
12 Kb4 draw
13 Kb5 draw
14 Ra6 draw
15 Rc6 draw
16 Rd1 draw
17 Rd2 draw
18 Re6 draw
19 Rd3 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh6 loss in 2 half-moves