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