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