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 Kg5 draw
4 Kh5 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Kf3 loss in 2 half-moves
9 Kf4 loss in 2 half-moves
10 Kg3 loss in 2 half-moves
11 Kh3 loss in 2 half-moves
12 Kh4 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves