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 Ka4 draw
4 Ka5 draw
5 Kb3 draw
6 Kb5 draw
7 Kc3 draw
8 Kc4 draw
9 Kc5 draw
10 Re1 draw
11 Re3 draw
12 Re5 draw
13 Re6 draw
14 Rh4 draw
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg4 loss in 2 half-moves