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

EGTB: win in 4 half-moves

# move score
1 R2a3 win in 3 half-moves
2 R2a4 win in 3 half-moves
3 R6a3 win in 3 half-moves
4 R6a4 win in 3 half-moves
5 Ra7 win in 3 half-moves
6 Re2 win in 3 half-moves
7 Rh2 win in 3 half-moves
8 Kc6 win in 5 half-moves
9 Ra1 loss in 8 half-moves
10 Rb2 loss in 8 half-moves
11 Rb6 loss in 6 half-moves
12 Rc2 loss in 6 half-moves
13 Rc6 loss in 4 half-moves
14 Rd2 loss in 4 half-moves
15 Kc5 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 R2a5 loss in 2 half-moves
23 R6a5 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves