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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rc5 win in 3 half-moves
4 Rd5 win in 3 half-moves
5 Kc3 win in 5 half-moves
6 Ra1 win in 5 half-moves
7 Ra7 win in 5 half-moves
8 Ra6 draw
9 Re5 draw
10 Rf5 draw
11 Ka2 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 R3a4 loss in 2 half-moves
18 R5a4 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves