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

EGTB: win in 6 half-moves

# move score
1 Ra7 win in 5 half-moves
2 Kb6 draw
3 Ra1 draw
4 Ra2 draw
5 Rb3 draw
6 Rb6 draw
7 Rc3 draw
8 Rd3 draw
9 Kb5 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 R3a4 loss in 2 half-moves
17 R3a5 loss in 2 half-moves
18 R6a4 loss in 2 half-moves
19 R6a5 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rh3 loss in 2 half-moves