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 Kd5 draw
3 Kd6 draw
4 Ke6 draw
5 Kf5 draw
6 Kf6 draw
7 Rf5 draw
8 Rf6 draw
9 Rg4 draw
10 Rh4 draw
11 Kd4 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves