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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Rh8 win in 1 half-moves
3 Kd8 draw
4 Ke6 draw
5 Ke7 draw
6 Ke8 draw
7 Rc1 draw
8 Rc3 draw
9 Rc7 draw
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc2 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