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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ra4 draw
3 Rb1 draw
4 Rb2 draw
5 Re4 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Ka6 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kab7 loss in 2 half-moves
12 Kab8 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kcb7 loss in 2 half-moves
16 Kcb8 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Kd8 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves