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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Rb3 draw
3 Re5 draw
4 Re6 draw
5 Re7 draw
6 Re8 draw
7 Rf3 draw
8 Rg3 draw
9 Rh3 draw
10 Kaa2 loss in 2 half-moves
11 Kab2 loss in 2 half-moves
12 Kba2 loss in 2 half-moves
13 Kbb2 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re4 loss in 2 half-moves