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

EGTB: win in 4 half-moves

# move score
1 R3a7 win in 3 half-moves
2 R8a7 win in 3 half-moves
3 Rf3 win in 3 half-moves
4 Kd8 win in 5 half-moves
5 R3a5 win in 5 half-moves
6 Rb3 win in 5 half-moves
7 Rb8 win in 5 half-moves
8 Rc3 win in 5 half-moves
9 Rd3 win in 5 half-moves
10 Re3 win in 5 half-moves
11 R3a4 win in 27 half-moves
12 Kb8 draw
13 R8a4 draw
14 R8a5 draw
15 Kb7 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 R3a6 loss in 2 half-moves
19 R8a6 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rh3 loss in 2 half-moves