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