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 Kab3 draw
5 Kab4 draw
6 Kb2 draw
7 Kb5 draw
8 Kc2 draw
9 Kc4 draw
10 Kcb3 draw
11 Kcb4 draw
12 Kd2 draw
13 Ra7 draw
14 Rc7 draw
15 Rd7 draw
16 Re1 draw
17 Re5 draw
18 Re6 draw
19 Re8 draw
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves