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 Kc2 draw
3 Kc3 draw
4 Kc4 draw
5 Kd2 draw
6 Kd4 draw
7 Rd4 draw
8 Re4 draw
9 Rf1 draw
10 Rf2 draw
11 Rf5 draw
12 Rf7 draw
13 Rf8 draw
14 Rg4 draw
15 Rh4 draw
16 Ke2 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rf6 loss in 1 half-moves