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 Kf4 draw
3 Kg4 draw
4 Kh4 draw
5 Kh5 draw
6 Rb2 draw
7 Rf4 draw
8 Rh4 draw
9 Kf5 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kh6 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves