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 Kb5 draw
3 Kb7 draw
4 Ra7 draw
5 Rc8 draw
6 Kc6 loss in 16 half-moves
7 Rb7 loss in 8 half-moves
8 Ka5 loss in 4 half-moves
9 Ka6 loss in 4 half-moves
10 Ka7 loss in 4 half-moves
11 Kc5 loss in 4 half-moves
12 Rd7 loss in 4 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves