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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kg5 draw
3 Kg6 draw
4 Kh4 draw
5 Kh6 draw
6 Rc4 draw
7 Rf4 draw
8 Rg5 draw
9 Rg6 draw
10 Rh4 draw
11 Ra4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rg2 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves