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

EGTB: win in 4 half-moves

# move score
1 R1a3 win in 3 half-moves
2 R1a5 win in 3 half-moves
3 R7a2 win in 3 half-moves
4 R7a3 win in 3 half-moves
5 R7a5 win in 3 half-moves
6 Rb1 win in 3 half-moves
7 Rc1 win in 3 half-moves
8 Rd1 win in 3 half-moves
9 R1a2 draw
10 R1a4 draw
11 R1a6 draw
12 R7a4 draw
13 R7a6 draw
14 Rb7 draw
15 Kb6 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves
26 Kb7 loss in 1 half-moves
27 Kd7 loss in 1 half-moves