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 Kc5 draw
5 Kc6 draw
6 Kc7 draw
7 Ra8 draw
8 Rc7 draw
9 Ka7 loss in 6 half-moves
10 Ka5 loss in 4 half-moves
11 Ka6 loss in 4 half-moves
12 Rb8 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 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves