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 Rg8 win in 7 half-moves
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb8 draw
7 Kbb7 draw
8 Kbc6 draw
9 Kc8 draw
10 Kcb7 draw
11 Kcc6 draw
12 Kd6 draw
13 Kd7 draw
14 Kd8 draw
15 Rb5 draw
16 Rf5 draw
17 Rg1 draw
18 Rg6 draw
19 Rg7 draw
20 Rh5 draw
21 Kb5 loss in 2 half-moves
22 Kc5 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rg4 loss in 2 half-moves