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 Kgg4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rc4 draw
7 Rd4 draw
8 Re4 draw
9 Rf4 draw
10 Rg4 draw
11 Rh4 draw
12 Kf4 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kgh4 loss in 2 half-moves
16 Kgh6 loss in 2 half-moves
17 Kgg6 loss in 1 half-moves
18 Khg4 loss in 1 half-moves
19 Khg6 loss in 1 half-moves
20 Khh4 loss in 1 half-moves
21 Khh6 loss in 1 half-moves
22 Rb1 loss in 1 half-moves
23 Rb2 loss in 1 half-moves
24 Rb3 loss in 1 half-moves
25 Rb8 loss in 1 half-moves