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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kc3 draw
5 Kd1 draw
6 Kde1 draw
7 Kde2 draw
8 Kf2 draw
9 Kfe1 draw
10 Kfe2 draw
11 Kg1 draw
12 Ra7 draw
13 Rb1 draw
14 Rb2 draw
15 Rb8 draw
16 Rc7 draw
17 Rd7 draw
18 Rh7 draw
19 Kd3 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Kg2 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rg7 loss in 2 half-moves