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 Ke5 draw
4 Ke6 draw
5 Ke7 draw
6 Rc4 draw
7 Rd4 draw
8 Re4 draw
9 Rf6 draw
10 Rf7 draw
11 Rf8 draw
12 Rg4 draw
13 Kd7 loss in 4 half-moves
14 Rf1 loss in 4 half-moves
15 Kc5 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Ra4 loss in 1 half-moves
22 Rh4 loss in 1 half-moves