Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Kc3 draw
3 Kc4 draw
4 Kd3 draw
5 Ke3 draw
6 Ke4 draw
7 Kg3 draw
8 Kg4 draw
9 Kh3 draw
10 Ra2 draw
11 Ra4 draw
12 Ra5 draw
13 Ra6 draw
14 Rb1 draw
15 Rc1 draw
16 Rd1 draw
17 Rg1 draw
18 Rh1 draw
19 Kc5 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Kg5 loss in 2 half-moves
23 Kh5 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Ra8 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves