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

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 Kb5 win in 1 half-moves
3 Re5 win in 1 half-moves
4 Re6 win in 3 half-moves
5 Re8 win in 3 half-moves
6 K6a7 draw
7 K6b7 draw
8 K8a7 draw
9 K8b7 draw
10 Kb6 draw
11 Kb8 draw
12 Ra3 draw
13 Re4 draw
14 Re7 draw
15 Rf3 draw
16 Rg3 draw
17 Rh3 draw
18 Rb3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves