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

EGTB: win in 18 half-moves

# move score
1 Rb1 win in 17 half-moves
2 Rb2 win in 19 half-moves
3 Rb4 win in 21 half-moves
4 Ra3 win in 23 half-moves
5 Rbb3 win in 23 half-moves
6 Rcb3 win in 31 half-moves
7 Ra5 draw
8 Rc1 loss in 4 half-moves
9 Rc2 loss in 4 half-moves
10 Rc4 loss in 4 half-moves
11 Kb4 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves