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 Rd7 win in 3 half-moves
3 Rb7 win in 9 half-moves
4 Ra7 draw
5 Rh1 draw
6 Rh2 draw
7 Rh3 draw
8 Rh6 draw
9 Kc1 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ke1 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh4 loss in 2 half-moves
26 Rh5 loss in 2 half-moves
27 Rh8 loss in 2 half-moves