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 K5b6 draw
3 K5c6 draw
4 K5d6 draw
5 K7b6 draw
6 K7c6 draw
7 K7d6 draw
8 Kb4 draw
9 Kb5 draw
10 Kb7 draw
11 Kb8 draw
12 Kc4 draw
13 Kc8 draw
14 Kd4 draw
15 Kd5 draw
16 Kd7 draw
17 Kd8 draw
18 Ra5 draw
19 Ra6 draw
20 Ra7 draw
21 Rb1 draw
22 Rc1 draw
23 Rd1 draw
24 Re1 draw
25 Rf1 draw
26 Ra2 loss in 2 half-moves
27 Ra3 loss in 2 half-moves
28 Ra4 loss in 2 half-moves
29 Rg1 loss in 2 half-moves
30 Rh1 loss in 2 half-moves