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 Rb1 draw
3 Rb5 draw
4 Rb6 draw
5 Rb8 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Ka7 loss in 2 half-moves
10 Kab7 loss in 2 half-moves
11 Kab8 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kcb7 loss in 2 half-moves
14 Kcb8 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves