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

EGTB: win in 4 half-moves

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