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 Rb8 win in 7 half-moves
3 Rd8 win in 7 half-moves
4 Re8 win in 7 half-moves
5 Rf8 win in 7 half-moves
6 Ra8 draw
7 Rg1 draw
8 Rg4 draw
9 Rg5 draw
10 Rg6 draw
11 Ka5 loss in 2 half-moves
12 Ka8 loss in 2 half-moves
13 Kaa7 loss in 2 half-moves
14 Kab6 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Kba7 loss in 2 half-moves
18 Kbb6 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Kc8 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh8 loss in 2 half-moves