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 Kc7 draw
5 Kc8 draw
6 Kd2 draw
7 Kd4 draw
8 Kd7 draw
9 Ke2 draw
10 Ke3 draw
11 Ke4 draw
12 Ra4 draw
13 Rc4 draw
14 Rd4 draw
15 Re4 draw
16 Rf1 draw
17 Rf2 draw
18 Rf3 draw
19 Rf5 draw
20 Kc4 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Ke8 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves