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

EGTB: win in 6 half-moves

# move score
1 K5b6 win in 5 half-moves
2 K6b6 draw
3 Ka4 draw
4 Kb7 draw
5 Ra8 draw
6 K5b5 loss in 2 half-moves
7 K6b5 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves