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 Kf5 draw
3 Kf6 draw
4 Kg6 draw
5 Kh5 draw
6 Kh6 draw
7 Rc4 draw
8 Rd5 draw
9 Rd7 draw
10 Rd8 draw
11 Re4 draw
12 Kf4 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves