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 9 half-moves
3 Kaa6 draw
4 Kaa8 draw
5 Kab6 draw
6 Kab8 draw
7 Kba6 draw
8 Kba8 draw
9 Kbb6 draw
10 Kbb8 draw
11 Kc6 draw
12 Kc7 draw
13 Kc8 draw
14 Rb5 draw
15 Rf5 draw
16 Rg1 draw
17 Rg6 draw
18 Rg7 draw
19 Rh5 draw
20 Rc5 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg4 loss in 2 half-moves