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