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 Kg3 draw
3 Kg5 draw
4 Kh3 draw
5 Kh5 draw
6 Re4 draw
7 Rf4 draw
8 Rg3 draw
9 Rg1 loss in 4 half-moves
10 Rg2 loss in 4 half-moves
11 Rg5 loss in 4 half-moves
12 Ra4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves