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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Rd3 win in 3 half-moves
4 Rd4 win in 3 half-moves
5 Rd7 win in 3 half-moves
6 Rd8 win in 3 half-moves
7 Kb7 win in 5 half-moves
8 Ra6 win in 5 half-moves
9 Ka2 draw
10 Ka4 draw
11 Kb2 draw
12 Kb3 draw
13 Kb4 draw
14 Kb8 draw
15 Rc6 draw
16 Rd5 draw
17 Re6 draw
18 Rf6 draw
19 Rd1 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves