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 Kf2 draw
3 Kf3 draw
4 Kf4 draw
5 Kg2 draw
6 Kh2 draw
7 Kh3 draw
8 Kh4 draw
9 Re4 draw
10 Rf4 draw
11 Rh4 draw
12 Rg8 loss in 4 half-moves
13 Ra4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves