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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Rc7 draw
3 Rc8 draw
4 Kb4 loss in 6 half-moves
5 Kb6 loss in 6 half-moves
6 Ka4 loss in 4 half-moves
7 Ka5 loss in 4 half-moves
8 Ka6 loss in 4 half-moves
9 Kc6 loss in 4 half-moves
10 Kc4 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg5 loss in 1 half-moves
19 Rh5 loss in 1 half-moves