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

EGTB: win in 2 half-moves

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