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

EGTB: win in 10 half-moves

# move score
1 R6a5 win in 9 half-moves
2 R1a4 win in 13 half-moves
3 R1a5 win in 13 half-moves
4 Rd1 win in 13 half-moves
5 R1a2 win in 15 half-moves
6 R1a3 win in 15 half-moves
7 Rb1 win in 15 half-moves
8 Rb6 win in 15 half-moves
9 Rc1 win in 15 half-moves
10 Rc6 win in 15 half-moves
11 R6a4 win in 17 half-moves
12 Re1 win in 17 half-moves
13 R6a3 win in 19 half-moves
14 R6a2 win in 21 half-moves
15 Kc6 win in 23 half-moves
16 Kc5 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ke7 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves