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

EGTB: win in 4 half-moves

# move score
1 Re5 win in 3 half-moves
2 Ka5 win in 5 half-moves
3 Kb5 win in 5 half-moves
4 Ra2 win in 5 half-moves
5 Rb2 win in 5 half-moves
6 K6a7 draw
7 K6b7 draw
8 K8a7 draw
9 K8b7 draw
10 Kb6 draw
11 Kb8 draw
12 Rc2 draw
13 Rd2 draw
14 Re1 draw
15 Re3 draw
16 Re4 draw
17 Re6 draw
18 Rf2 draw
19 Re7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves