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 Kd7 draw
3 Ke6 draw
4 Ke7 draw
5 Ra4 draw
6 Rc4 draw
7 Rd1 draw
8 Rd2 draw
9 Rd3 draw
10 Rf4 draw
11 Rg4 draw
12 Rh4 draw
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Re4 loss in 2 half-moves