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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rg7 win in 3 half-moves
3 Rg8 win in 3 half-moves
4 Ra3 win in 5 half-moves
5 Rb3 win in 5 half-moves
6 Ka7 draw
7 Ka8 draw
8 Kb6 draw
9 Kbb7 draw
10 Kbc8 draw
11 Kc6 draw
12 Kcb7 draw
13 Kcc8 draw
14 Kd6 draw
15 Kd7 draw
16 Kd8 draw
17 Rf3 draw
18 Rg4 draw
19 Rg5 draw
20 Rh3 draw
21 Rc3 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves