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

EGTB: win in 4 half-moves

# move score
1 R3a4 win in 3 half-moves
2 R3a5 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Rd3 win in 3 half-moves
5 Re3 win in 3 half-moves
6 Ke6 draw
7 Ke7 draw
8 Ke8 draw
9 Kf6 draw
10 Kf8 draw
11 Kg6 draw
12 Kg7 draw
13 Kg8 draw
14 R6a4 draw
15 R6a5 draw
16 Ra7 draw
17 Ra8 draw
18 Rb6 draw
19 Rc3 draw
20 Rc6 draw
21 Rd6 draw
22 Re6 draw
23 Rf3 draw
24 Rf6 draw
25 Rg6 draw
26 Ra1 loss in 2 half-moves
27 Ra2 loss in 2 half-moves
28 Rg3 loss in 2 half-moves
29 Rh3 loss in 2 half-moves
30 Rh6 loss in 1 half-moves