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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ra5 draw
3 Ra6 draw
4 Ra8 draw
5 Rb1 draw
6 Rc1 draw
7 Rd1 draw
8 Rf1 draw
9 K5c5 loss in 2 half-moves
10 K5c6 loss in 2 half-moves
11 K5e5 loss in 2 half-moves
12 K5e6 loss in 2 half-moves
13 K6c5 loss in 2 half-moves
14 K6c6 loss in 2 half-moves
15 K6e5 loss in 2 half-moves
16 K6e6 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Ke7 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rh1 loss in 2 half-moves