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

EGTB: win in 4 half-moves

# move score
1 R1a2 win in 3 half-moves
2 R8a4 win in 3 half-moves
3 Rc1 win in 3 half-moves
4 Re1 win in 3 half-moves
5 Rf1 win in 3 half-moves
6 R8a2 win in 21 half-moves
7 Kb8 draw
8 Kd8 draw
9 R1a3 draw
10 R1a4 draw
11 R1a5 draw
12 R8a3 draw
13 R8a5 draw
14 Kb7 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 R1a6 loss in 2 half-moves
18 R1a7 loss in 2 half-moves
19 R8a6 loss in 2 half-moves
20 R8a7 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves