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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rb3 win in 5 half-moves
4 Rb5 win in 7 half-moves
5 Rb6 win in 7 half-moves
6 Kb4 draw
7 Kc4 draw
8 Kd4 draw
9 Ra7 draw
10 Rb4 draw
11 Rf7 draw
12 Rg7 draw
13 Rh7 draw
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Ke1 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Kg1 loss in 2 half-moves
23 Kg2 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re7 loss in 2 half-moves