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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ra4 win in 3 half-moves
3 Ra8 win in 3 half-moves
4 Rb3 win in 11 half-moves
5 K5b6 draw
6 K5c6 draw
7 K5d6 draw
8 K7b6 draw
9 K7c6 draw
10 K7d6 draw
11 Kb4 draw
12 Kb5 draw
13 Kb8 draw
14 Kc4 draw
15 Kc8 draw
16 Kd4 draw
17 Kd8 draw
18 Ra5 draw
19 Ra6 draw
20 Ra7 draw
21 Rc3 draw
22 Rd3 draw
23 Re3 draw
24 Kd5 loss in 2 half-moves
25 Kd7 loss in 2 half-moves
26 Ra1 loss in 2 half-moves
27 Ra2 loss in 2 half-moves
28 Rf3 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rh3 loss in 2 half-moves