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 Kf4 draw
3 Kf5 draw
4 Kh4 draw
5 Kh5 draw
6 Kh6 draw
7 Rg1 draw
8 Rg2 draw
9 Rg3 draw
10 Kf6 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves