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 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb4 draw
6 Kb5 draw
7 Rb4 draw
8 Rc4 draw
9 Re5 draw
10 Re8 draw
11 Rg4 draw
12 Re7 loss in 12 half-moves
13 Rd4 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Re1 loss in 1 half-moves
17 Re2 loss in 1 half-moves
18 Re3 loss in 1 half-moves