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 Kb6 draw
3 Kc6 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Rb5 draw
8 Rc6 draw
9 Kb7 loss in 4 half-moves
10 Kb8 loss in 4 half-moves
11 Kc8 loss in 4 half-moves
12 Ra5 loss in 4 half-moves
13 Rf5 loss in 4 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves