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 Ka5 win in 5 half-moves
3 Ka7 win in 5 half-moves
4 Kb5 win in 5 half-moves
5 Rd7 win in 5 half-moves
6 Ra6 win in 7 half-moves
7 Rd8 win in 7 half-moves
8 Kb7 win in 9 half-moves
9 Ka3 draw
10 Ka8 draw
11 Kb3 draw
12 Kb4 draw
13 Kc7 draw
14 Kc8 draw
15 Rc6 draw
16 Rd1 draw
17 Rd2 draw
18 Re6 draw
19 Rf6 draw
20 Rd3 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh6 loss in 2 half-moves