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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Ra4 draw
8 Rb4 draw
9 Rc4 draw
10 Re5 draw
11 Re7 draw
12 Re8 draw
13 Re3 loss in 4 half-moves
14 Rd4 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Re6 loss in 1 half-moves