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 Kc5 draw
3 Kd4 draw
4 Ke4 draw
5 Ke5 draw
6 Rd4 draw
7 Rf2 draw
8 Rf3 draw
9 Rf5 draw
10 Rf6 draw
11 Rg4 draw
12 Rh4 draw
13 Kc4 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves