Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kg4 draw
3 Kh4 draw
4 Rf1 draw
5 Rf2 draw
6 Rf3 draw
7 Rf5 draw
8 Rh4 draw
9 Kf5 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Kh6 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg4 loss in 2 half-moves