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