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 Ka2 draw
3 Kb2 draw
4 Kb3 draw
5 Ra4 draw
6 Rd5 draw
7 Rd6 draw
8 Rd7 draw
9 Rd8 draw
10 Re4 draw
11 Ka4 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves