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

EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 K4b4 win in 7 half-moves
3 Rd6 win in 7 half-moves
4 K5b5 win in 31 half-moves
5 Ra6 win in 35 half-moves
6 K4b5 win in 37 half-moves
7 Kb6 win in 37 half-moves
8 Rg5 win in 37 half-moves
9 Rh6 win in 37 half-moves
10 Re6 win in 39 half-moves
11 Rf6 win in 39 half-moves
12 Rg7 win in 39 half-moves
13 Rg8 win in 39 half-moves
14 Ka6 win in 41 half-moves
15 Rg4 win in 41 half-moves
16 K5b4 loss in 4 half-moves
17 Rg3 loss in 4 half-moves
18 Ka3 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves