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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Rc4 win in 5 half-moves
4 Rc5 win in 5 half-moves
5 Kc6 draw
6 Kd6 draw
7 Ke6 draw
8 Rb3 draw
9 Rc6 draw
10 Rg3 draw
11 Rh3 draw
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kh7 loss in 2 half-moves
21 Kh8 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rc2 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Rf3 loss in 2 half-moves