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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Rf2 win in 1 half-moves
3 Rf3 win in 1 half-moves
4 Ra8 win in 3 half-moves
5 Kb8 draw
6 Rb8 draw
7 Rf4 draw
8 Ka5 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 K6b6 loss in 1 half-moves
20 K6b7 loss in 1 half-moves
21 K7b6 loss in 1 half-moves
22 K7b7 loss in 1 half-moves