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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Rb1 win in 9 half-moves
5 Kb5 draw
6 Kc5 draw
7 Kd5 draw
8 Rb5 draw
9 Rb6 draw
10 Re7 draw
11 Rg7 draw
12 Rh7 draw
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kg2 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Kg4 loss in 2 half-moves
21 Kh2 loss in 2 half-moves
22 Kh4 loss in 2 half-moves
23 Ra7 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 Rf7 loss in 2 half-moves