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 Kd3 win in 1 half-moves
3 Ra8 draw
4 Kc5 loss in 4 half-moves
5 Kb4 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Kc3 loss in 1 half-moves