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

EGTB: win in 4 half-moves

# move score
1 Kbb7 win in 3 half-moves
2 Kcc7 win in 3 half-moves
3 Rg7 win in 3 half-moves
4 Rg8 win in 3 half-moves
5 Ka7 win in 5 half-moves
6 Kbc7 win in 5 half-moves
7 Kcb7 win in 5 half-moves
8 Kd7 win in 5 half-moves
9 Ka8 draw
10 Kd8 draw
11 Ra6 draw
12 Re6 draw
13 Rf6 draw
14 Rg1 draw
15 Rg5 draw
16 Rh6 draw
17 Rb6 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg4 loss in 2 half-moves