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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Rb5 draw
3 Rc1 draw
4 Rc2 draw
5 Rc3 draw
6 Rc4 draw
7 Rf5 draw
8 Rg5 draw
9 Rh5 draw
10 K7b7 loss in 2 half-moves
11 K7b8 loss in 2 half-moves
12 K8b7 loss in 2 half-moves
13 K8b8 loss in 2 half-moves
14 Ka6 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re5 loss in 2 half-moves