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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Ra5 win in 5 half-moves
4 Kc3 win in 7 half-moves
5 Kd3 win in 7 half-moves
6 Kd1 win in 9 half-moves
7 Kd2 win in 9 half-moves
8 Ke2 win in 9 half-moves
9 Ra6 win in 11 half-moves
10 Kd4 win in 15 half-moves
11 Kb3 draw
12 Kb4 draw
13 Kb5 draw
14 Kc5 draw
15 Kd5 draw
16 Ra1 draw
17 Ra4 draw
18 Ra7 draw
19 Rb8 draw
20 Re8 draw
21 Kf1 loss in 2 half-moves
22 Kf2 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves