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 Kg4 draw
3 Kg5 draw
4 Kh4 draw
5 Rc4 draw
6 Rd1 draw
7 Rd3 draw
8 Rd5 draw
9 Rd6 draw
10 Rh4 draw
11 Kg6 loss in 2 half-moves
12 Kh6 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves