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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 K4b5 draw
3 K6b5 draw
4 Rc5 draw
5 Rf8 draw
6 K4a5 loss in 2 half-moves
7 K6a5 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Ka7 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rh5 loss in 2 half-moves