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 Kb7 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rc2 win in 3 half-moves
5 Rc3 win in 3 half-moves
6 Rc4 win in 3 half-moves
7 Ka2 draw
8 Ka4 draw
9 Kb2 draw
10 Kb3 draw
11 Kb4 draw
12 Kb8 draw
13 Ra6 draw
14 Rc1 draw
15 Rc5 draw
16 Rd6 draw
17 Re6 draw
18 Rf6 draw
19 Rc7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves