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 R3a6 win in 3 half-moves
3 R8a4 win in 5 half-moves
4 R8a6 win in 5 half-moves
5 Rd8 win in 5 half-moves
6 Rb3 draw
7 Rb8 draw
8 Rc3 draw
9 Rc8 draw
10 Re8 loss in 4 half-moves
11 Nb2 loss in 2 half-moves
12 Nb4 loss in 2 half-moves
13 Nc1 loss in 2 half-moves
14 Nc5 loss in 2 half-moves
15 Ne1 loss in 2 half-moves
16 Ne5 loss in 2 half-moves
17 Nf2 loss in 2 half-moves
18 Nf4 loss in 2 half-moves
19 R3a5 loss in 2 half-moves
20 R3a7 loss in 2 half-moves
21 R8a5 loss in 2 half-moves
22 R8a7 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves