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 Kd6 draw
3 Ke4 draw
4 Ke5 draw
5 Ke6 draw
6 Rc4 draw
7 Rd1 draw
8 Re4 draw
9 Rf4 draw
10 Rg4 draw
11 Rh4 draw
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Ra4 loss in 1 half-moves