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 Kf6 draw
3 Kg6 draw
4 Kh6 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Rd4 draw
9 Re4 draw
10 Kf7 loss in 4 half-moves
11 Kf8 loss in 4 half-moves
12 Kg8 loss in 4 half-moves
13 Kh7 loss in 4 half-moves
14 Kh8 loss in 4 half-moves
15 Rc4 loss in 4 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Ra4 loss in 1 half-moves
22 Rb5 loss in 1 half-moves