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 Kb4 draw
6 Kc4 draw
7 Kd4 draw
8 Ra7 draw
9 Rb4 draw
10 Rb6 draw
11 Rg7 draw
12 Rh7 draw
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kh2 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf7 loss in 2 half-moves