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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ra3 draw
3 Ra4 draw
4 Ra6 draw
5 Ra7 draw
6 Ra8 draw
7 Re2 draw
8 Rf2 draw
9 Rg2 draw
10 Rh2 draw
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Kf7 loss in 2 half-moves
24 Kg5 loss in 2 half-moves
25 Kg6 loss in 2 half-moves
26 Kg7 loss in 2 half-moves
27 Ra1 loss in 2 half-moves
28 Rb2 loss in 2 half-moves
29 Rc2 loss in 2 half-moves
30 Rd2 loss in 2 half-moves