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 Kc4 draw
3 Kd2 draw
4 Kd4 draw
5 Ke2 draw
6 Ke3 draw
7 Rb4 draw
8 Rc4 draw
9 Re2 draw
10 Re3 draw
11 Re5 draw
12 Re6 draw
13 Re7 draw
14 Re8 draw
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves