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

EGTB: win in 4 half-moves

# move score
1 Re3 win in 3 half-moves
2 Rf3 win in 3 half-moves
3 Rh7 win in 3 half-moves
4 Rh8 win in 3 half-moves
5 Ra3 win in 13 half-moves
6 Ka6 draw
7 Ka7 draw
8 Ka8 draw
9 Kb6 draw
10 Kb8 draw
11 Kc6 draw
12 Kc7 draw
13 Kc8 draw
14 Kd7 draw
15 Kd8 draw
16 Ke7 draw
17 Kf7 draw
18 Kf8 draw
19 Rg3 draw
20 Rh4 draw
21 Rh5 draw
22 Rh6 draw
23 Rb3 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves