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 Kc7 draw
3 Kc8 draw
4 Kd5 draw
5 Kd6 draw
6 Kd7 draw
7 Ke4 draw
8 Ke6 draw
9 Ke7 draw
10 Ke8 draw
11 Kf4 draw
12 Kf5 draw
13 Kf6 draw
14 Rb1 draw
15 Rb2 draw
16 Rb3 draw
17 Rc4 draw
18 Rd4 draw
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Kd4 loss in 1 half-moves