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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Rc1 win in 1 half-moves
4 Rc7 win in 1 half-moves
5 Rc8 win in 1 half-moves
6 Rf5 draw
7 K5b5 loss in 2 half-moves
8 K5b6 loss in 2 half-moves
9 K6b5 loss in 2 half-moves
10 K6b6 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves