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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rg2 draw
9 Rg3 draw
10 Rg4 draw
11 Rg5 draw
12 Ka3 loss in 2 half-moves
13 Kba2 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kaa2 loss in 1 half-moves
18 Kab1 loss in 1 half-moves
19 Kbb1 loss in 1 half-moves
20 Rg1 loss in 1 half-moves
21 Rg6 loss in 1 half-moves
22 Rg7 loss in 1 half-moves
23 Rh8 loss in 1 half-moves