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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ra5 draw
3 Ra6 draw
4 Ra7 draw
5 Rb1 draw
6 Rc1 draw
7 Rd1 draw
8 Rh1 draw
9 K5c6 loss in 2 half-moves
10 K5d6 loss in 2 half-moves
11 K5e6 loss in 2 half-moves
12 K7c6 loss in 2 half-moves
13 K7d6 loss in 2 half-moves
14 K7e6 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Ke5 loss in 2 half-moves
23 Ke7 loss in 2 half-moves
24 Ke8 loss in 2 half-moves
25 Ra2 loss in 2 half-moves
26 Ra3 loss in 2 half-moves
27 Ra4 loss in 2 half-moves
28 Re1 loss in 2 half-moves
29 Rf1 loss in 2 half-moves
30 Rg1 loss in 2 half-moves