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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ra5 win in 3 half-moves
3 Ra1 draw
4 Ra3 draw
5 Ra4 draw
6 Ra6 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rf7 draw
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kcc4 loss in 2 half-moves
17 Kcd3 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kdc4 loss in 2 half-moves
21 Kdd3 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Ke5 loss in 2 half-moves
25 Ra8 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh7 loss in 2 half-moves