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 Kf6 draw
5 Kg4 draw
6 Kg6 draw
7 Kh5 draw
8 Rc4 draw
9 Rf4 draw
10 Rg4 draw
11 Rh5 draw
12 Rh6 draw
13 Kh6 loss in 10 half-moves
14 Ra4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rh7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves