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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Rg6 win in 3 half-moves
3 Ra4 win in 5 half-moves
4 Rb5 win in 5 half-moves
5 Rb6 win in 5 half-moves
6 Rh5 win in 5 half-moves
7 Rh6 win in 5 half-moves
8 Nb5 win in 7 half-moves
9 Ra2 draw
10 Nc6 loss in 2 half-moves
11 Nc8 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf6 loss in 2 half-moves