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 Kb8 draw
3 Ke2 draw
4 Ke3 draw
5 Ke4 draw
6 Kf2 draw
7 Kf4 draw
8 Kg2 draw
9 Kg3 draw
10 Kg4 draw
11 Rb4 draw
12 Rc4 draw
13 Rh1 draw
14 Rh2 draw
15 Rh3 draw
16 Rh5 draw
17 Rh6 draw
18 Kb7 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Rd4 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 Rh7 loss in 2 half-moves
27 Rh8 loss in 2 half-moves