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

EGTB: win in 10 half-moves

# move score
1 Re8 win in 9 half-moves
2 Rf8 win in 11 half-moves
3 Rg8 win in 13 half-moves
4 Kb4 draw
5 Kb5 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Rb1 draw
10 Rb2 draw
11 Rb7 draw
12 Rc8 draw
13 Rd8 draw
14 Rh8 draw
15 Kb6 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Kf2 loss in 2 half-moves
21 Kg1 loss in 2 half-moves
22 Kg2 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rb5 loss in 2 half-moves
27 Rb6 loss in 2 half-moves