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 Kd4 draw
3 Kd5 draw
4 Kd6 draw
5 Ke6 draw
6 Rc4 draw
7 Re1 draw
8 Re2 draw
9 Re3 draw
10 Rf4 draw
11 Rg4 draw
12 Kf4 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves