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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 Re8 win in 5 half-moves
4 Kc5 win in 7 half-moves
5 Kd5 win in 7 half-moves
6 Kd6 win in 7 half-moves
7 Rd8 win in 7 half-moves
8 Kb5 win in 15 half-moves
9 Rb6 win in 15 half-moves
10 Rb8 win in 15 half-moves
11 Rc8 win in 15 half-moves
12 Kb6 win in 17 half-moves
13 Kc7 win in 17 half-moves
14 Kd7 win in 17 half-moves
15 Kb7 draw
16 R6a7 loss in 2 half-moves
17 R8a7 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves