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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ra6 draw
3 Rb7 draw
4 Rb8 draw
5 Rc7 draw
6 Rc8 draw
7 Rd7 draw
8 Rd8 draw
9 Re7 loss in 4 half-moves
10 Qa4 loss in 2 half-moves
11 Qb5 loss in 2 half-moves
12 Qb8 loss in 2 half-moves
13 Qc6 loss in 2 half-moves
14 Qc8 loss in 2 half-moves
15 Qd7 loss in 2 half-moves
16 Qd8 loss in 2 half-moves
17 Qe1 loss in 2 half-moves
18 Qe2 loss in 2 half-moves
19 Qe3 loss in 2 half-moves
20 Qe4 loss in 2 half-moves
21 Qe5 loss in 2 half-moves
22 Qe6 loss in 2 half-moves
23 Qe7 loss in 2 half-moves
24 Qf7 loss in 2 half-moves
25 Qf8 loss in 2 half-moves
26 Qg6 loss in 2 half-moves
27 Qg8 loss in 2 half-moves
28 Qh5 loss in 2 half-moves
29 Qh8 loss in 2 half-moves
30 Ra1 loss in 2 half-moves
31 Ra2 loss in 2 half-moves
32 Ra3 loss in 2 half-moves
33 Ra5 loss in 2 half-moves
34 Rf7 loss in 2 half-moves
35 Rg7 loss in 2 half-moves
36 Rh7 loss in 2 half-moves