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

EGTB: win in 4 half-moves

# move score
1 Ke5 win in 3 half-moves
2 R5a6 win in 3 half-moves
3 R8a6 win in 3 half-moves
4 Ra4 win in 3 half-moves
5 Rf8 win in 3 half-moves
6 Rd8 win in 7 half-moves
7 Kc5 draw
8 Rb5 draw
9 Rb8 draw
10 Rc5 draw
11 Rc8 draw
12 Re8 draw
13 Kc4 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 R5a7 loss in 2 half-moves
20 R8a7 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves