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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Ra8 win in 3 half-moves
3 Kb4 win in 7 half-moves
4 Kb5 win in 7 half-moves
5 Kc5 win in 7 half-moves
6 Ra4 win in 7 half-moves
7 Ra7 win in 7 half-moves
8 Kc7 win in 9 half-moves
9 Kb6 win in 11 half-moves
10 Ra1 win in 11 half-moves
11 Rb2 win in 11 half-moves
12 Ka6 draw
13 Ka7 draw
14 Ka8 draw
15 Kb8 draw
16 Kc3 draw
17 Kc6 draw
18 Kc8 draw
19 Ra3 draw
20 Rc2 draw
21 Rd2 draw
22 Rh2 draw
23 Kd3 loss in 2 half-moves
24 Kd4 loss in 2 half-moves
25 Kd5 loss in 2 half-moves
26 Ra5 loss in 2 half-moves
27 Ra6 loss in 2 half-moves
28 Re2 loss in 2 half-moves
29 Rf2 loss in 2 half-moves
30 Rg2 loss in 2 half-moves