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