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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Ra2 draw
3 Ra3 draw
4 Ra8 draw
5 Rd7 draw
6 Re7 draw
7 Rf7 draw
8 Rg7 draw
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kcd2 loss in 2 half-moves
15 Kcd3 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Ked2 loss in 2 half-moves
21 Ked3 loss in 2 half-moves
22 Kf2 loss in 2 half-moves
23 Kf3 loss in 2 half-moves
24 Kf4 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Ra5 loss in 2 half-moves
27 Ra6 loss in 2 half-moves
28 Rb7 loss in 2 half-moves
29 Rc7 loss in 2 half-moves
30 Rh7 loss in 2 half-moves