There are 10mm adapters out there but it's a bit of a risk to run them as we have seen something like this happen where the studs on the adapter just tear apart and break away from the spacer/adapter. However, There are some 10mm adapters that people have said worked.
Circuit Sport 5x100 to 5x114.3 Adapter/Spacer (15mm)
We carry Circuit Sports 15mm 5x100 to 5x114.3 adapters and 15mm 5x100 bolt on spacer. Many customer have ran these on their cars and have had great results.