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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kf2 draw
3 Kf3 draw
4 Kg2 draw
5 Kh3 draw
6 Re4 draw
7 Rf4 draw
8 Rg4 draw
9 Rh5 draw
10 Kf4 loss in 10 half-moves
11 Kg4 loss in 6 half-moves
12 Rh3 loss in 6 half-moves
13 Kh2 loss in 4 half-moves
14 Rb4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves