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

EGTB: win in 2 half-moves

# move score
1 Rf5 win in 1 half-moves
2 Ra4 draw
3 Rc4 draw
4 Rd4 draw
5 Re4 draw
6 Rf6 draw
7 Rf7 draw
8 Rf8 draw
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Kf1 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kg1 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves