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

EGTB: win in 4 half-moves

# move score
1 Kab7 win in 3 half-moves
2 Kbb7 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Kab5 win in 7 half-moves
5 Ra8 win in 7 half-moves
6 Kaa5 draw
7 Kaa7 draw
8 Kbb5 draw
9 Rh8 draw
10 Kba5 loss in 2 half-moves
11 Kba7 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves