Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb4 draw
6 Kb5 draw
7 Kc2 draw
8 Kc3 draw
9 Kc4 draw
10 Kd2 draw
11 Kd4 draw
12 Ke2 draw
13 Ke3 draw
14 Ra7 draw
15 Rc7 draw
16 Rd7 draw
17 Re7 draw
18 Rf2 draw
19 Rf6 draw
20 Rf8 draw
21 Ke4 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rf5 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves