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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Nb7 draw
3 Nc6 draw
4 Rg5 draw
5 Rg6 draw
6 Rg7 draw
7 Rg8 draw
8 Re4 loss in 4 half-moves
9 Rf4 loss in 4 half-moves
10 Rh4 loss in 4 half-moves
11 Nb3 loss in 2 half-moves
12 Nc4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves