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 Kb3 draw
5 Kb4 draw
6 Ra4 draw
7 Re1 draw
8 Re2 draw
9 Re3 draw
10 Re5 draw
11 Re6 draw
12 Rh4 draw
13 Kb2 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves