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 Ka4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb8 draw
6 Rc4 draw
7 Kb3 loss in 16 half-moves
8 Ka2 loss in 10 half-moves
9 Ra4 loss in 8 half-moves
10 Kb2 loss in 6 half-moves
11 Re4 loss in 4 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves