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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Ka3 draw
4 Kaa5 draw
5 Kab5 draw
6 Kb3 draw
7 Kb4 draw
8 Kbb5 draw
9 Ra8 draw
10 Re8 draw
11 Ka6 loss in 2 half-moves
12 Ka7 loss in 2 half-moves
13 Kba5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves