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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Rg5 win in 3 half-moves
4 Kc7 win in 5 half-moves
5 Kc8 win in 5 half-moves
6 Kd7 win in 5 half-moves
7 Ke7 win in 5 half-moves
8 Ke8 win in 5 half-moves
9 Nh3 win in 5 half-moves
10 Rf7 win in 5 half-moves
11 Rg6 win in 5 half-moves
12 Rg8 win in 5 half-moves
13 Rh7 win in 5 half-moves
14 Re7 loss in 4 half-moves
15 Ne2 loss in 2 half-moves
16 Nf3 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves